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Differential D50098

[www] Regenerate diagnostics reference.
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Authored by MaskRay on Jul 31 2018, 12:43 PM.

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-Waddress -Waddress
--------- ---------
This diagnostic is enabled by default. This diagnostic is enabled by default.
Controls `-Wpointer-bool-conversion`_, `-Wstring-compare`_, `-Wtautological-pointer-compare`_. Controls `-Wpointer-bool-conversion`_, `-Wstring-compare`_, `-Wtautological-pointer-compare`_.
-Waddress-of-array-temporary
----------------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+---------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`pointer is initialized by a temporary array, which will be destroyed at the end of the full-expression`|
+---------------------------------------------------------------------------------------------------------------------------------------------+
-Waddress-of-packed-member -Waddress-of-packed-member
-------------------------- --------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`taking address of packed member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`of class or structure` |nbsp| :placeholder:`B` |nbsp| :diagtext:`may result in an unaligned pointer value`| |:warning:`warning:` |nbsp| :diagtext:`taking address of packed member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`of class or structure` |nbsp| :placeholder:`B` |nbsp| :diagtext:`may result in an unaligned pointer value`|
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|:error:`error:` |nbsp| :diagtext:`taking the address of a temporary object of type` |nbsp| :placeholder:`A`| |:error:`error:` |nbsp| :diagtext:`taking the address of a temporary object of type` |nbsp| :placeholder:`A`|
+-----------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------+
-Waggregate-return -Waggregate-return
------------------ ------------------
This diagnostic flag exists for GCC compatibility, and has no effect in Clang. This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
-Waligned-allocation-unavailable
--------------------------------
This diagnostic is an error by default, but the flag ``-Wno-aligned-allocation-unavailable`` can be used to disable the error.
**Diagnostic text:**
+--------------------------------------------------+--------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:error:`error:` |nbsp| :diagtext:`aligned` |nbsp| |+------------------------+| |nbsp| :diagtext:`function of type '`:placeholder:`B`:diagtext:`' is only available on` |nbsp| :placeholder:`C` |nbsp| :placeholder:`D` |nbsp| :diagtext:`or newer`|
| ||:diagtext:`allocation` || |
| |+------------------------+| |
| ||:diagtext:`deallocation`|| |
| |+------------------------+| |
+--------------------------------------------------+--------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wall -Wall
----- -----
Some of the diagnostics controlled by this flag are enabled by default. Some of the diagnostics controlled by this flag are enabled by default.
Controls `-Wmost`_, `-Wparentheses`_, `-Wswitch`_, `-Wswitch-bool`_. Controls `-Wmost`_, `-Wparentheses`_, `-Wswitch`_, `-Wswitch-bool`_.
-Walloca-with-align-alignof -Walloca-with-align-alignof
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| |+------------------------------+| |+--------------------+| | | |+------------------------------+| |+--------------------+| |
+---------------------------------------------------------------------------+--------------------------------+--------+----------------------+------------------------------------------------------+ +---------------------------------------------------------------------------+--------------------------------+--------+----------------------+------------------------------------------------------+
+-----------------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`assigning retained object to unsafe property; object will be released after assignment`| |:warning:`warning:` |nbsp| :diagtext:`assigning retained object to unsafe property; object will be released after assignment`|
+-----------------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------------+
-Wargument-outside-range
------------------------
This diagnostic is an error by default, but the flag ``-Wno-argument-outside-range`` can be used to disable the error.
**Diagnostic text:**
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:error:`error:` |nbsp| :diagtext:`argument value` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is outside the valid range \[`:placeholder:`B`:diagtext:`,` |nbsp| :placeholder:`C`:diagtext:`\]`|
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Warray-bounds -Warray-bounds
-------------- --------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------+-------------+ +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+---------------+-------------+
|:warning:`warning:` |nbsp| :diagtext:`array index` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is past the end of the array (which contains` |nbsp| :placeholder:`B` |nbsp| :diagtext:`element`|+-------------+|:diagtext:`)`| |:warning:`warning:` |nbsp| :diagtext:`array index` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is past the end of the array (which contains` |nbsp| :placeholder:`B` |nbsp| :diagtext:`element`|+-------------+|:diagtext:`)`|
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**Diagnostic text:** **Diagnostic text:**
+-------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`@protocol is using a forward protocol declaration of` |nbsp| :placeholder:`A`| |:warning:`warning:` |nbsp| :diagtext:`@protocol is using a forward protocol declaration of` |nbsp| :placeholder:`A`|
+-------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------+
-Watimport-in-framework-header
------------------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`use of '@import' in framework header is discouraged, including this header requires -fmodules`|
+------------------------------------------------------------------------------------------------------------------------------------+
-Watomic-alignment
------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+---------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`misaligned or large atomic operation may incur significant performance penalty`|
+---------------------------------------------------------------------------------------------------------------------+
-Watomic-memory-ordering -Watomic-memory-ordering
------------------------ ------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+-------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`memory order argument to atomic operation is invalid`| |:warning:`warning:` |nbsp| :diagtext:`memory order argument to atomic operation is invalid`|
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This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+--------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'unavailable' availability overrides all other availability information`| |:warning:`warning:` |nbsp| :diagtext:`'unavailable' availability overrides all other availability information`|
+--------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------+
+------------------------------------------------------------------------------+----------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`ignoring availability attribute` |nbsp| |+--------------------------------------+|
| ||:diagtext:`on '+load' method` ||
| |+--------------------------------------+|
| ||:diagtext:`with constructor attribute`||
| |+--------------------------------------+|
| ||:diagtext:`with destructor attribute` ||
| |+--------------------------------------+|
+------------------------------------------------------------------------------+----------------------------------------+
+------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`unknown platform` |nbsp| :placeholder:`A` |nbsp| :diagtext:`in availability macro`| |:warning:`warning:` |nbsp| :diagtext:`unknown platform` |nbsp| :placeholder:`A` |nbsp| :diagtext:`in availability macro`|
+------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------+------------------------+------------------------------------------------------------------------------------------------------------------------------------------+------------------------+-------------------------------------------------------------------------------------+ +----------------------------------------------------------------+------------------------+------------------------------------------------------------------------------------------------------------------------------------------+------------------------+-------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`feature cannot be` |nbsp| |+----------------------+| |nbsp| :diagtext:`in` |nbsp| :placeholder:`B` |nbsp| :diagtext:`version` |nbsp| :placeholder:`C` |nbsp| :diagtext:`before it was` |nbsp| |+----------------------+| |nbsp| :diagtext:`in version` |nbsp| :placeholder:`E`:diagtext:`; attribute ignored`| |:warning:`warning:` |nbsp| :diagtext:`feature cannot be` |nbsp| |+----------------------+| |nbsp| :diagtext:`in` |nbsp| :placeholder:`B` |nbsp| :diagtext:`version` |nbsp| :placeholder:`C` |nbsp| :diagtext:`before it was` |nbsp| |+----------------------+| |nbsp| :diagtext:`in version` |nbsp| :placeholder:`E`:diagtext:`; attribute ignored`|
| ||:diagtext:`introduced`|| ||:diagtext:`introduced`|| | | ||:diagtext:`introduced`|| ||:diagtext:`introduced`|| |
| |+----------------------+| |+----------------------+| | | |+----------------------+| |+----------------------+| |
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+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------+
|:warning:`warning:` |nbsp| :diagtext:`C++98 requires an accessible copy constructor for class` |nbsp| :placeholder:`C` |nbsp| :diagtext:`when binding a reference to a temporary; was` |nbsp| |+---------------------+| |:warning:`warning:` |nbsp| :diagtext:`C++98 requires an accessible copy constructor for class` |nbsp| :placeholder:`C` |nbsp| :diagtext:`when binding a reference to a temporary; was` |nbsp| |+---------------------+|
| ||:diagtext:`private` || | ||:diagtext:`private` ||
| |+---------------------+| | |+---------------------+|
| ||:diagtext:`protected`|| | ||:diagtext:`protected`||
| |+---------------------+| | |+---------------------+|
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-----------------------+
+--------------------------------------------------------------------+-----------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------+------------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`no viable constructor` |nbsp| |+---------------------------------------+| |nbsp| :diagtext:`of type` |nbsp| :placeholder:`B`:diagtext:`; C++98 requires a copy constructor when binding a reference to a temporary`| |:warning:`warning:` |nbsp| :diagtext:`no viable constructor` |nbsp| |+----------------------------------------------------+| |nbsp| :diagtext:`of type` |nbsp| :placeholder:`B`:diagtext:`; C++98 requires a copy constructor when binding a reference to a temporary`|
| ||:diagtext:`copying variable` || | | ||:diagtext:`copying variable` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`copying parameter` || | | ||:diagtext:`copying parameter` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`returning object` || | | ||:diagtext:`returning object` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`initializing statement expression result`|| |
| |+----------------------------------------------------+| |
| ||:diagtext:`throwing object` || | | ||:diagtext:`throwing object` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`copying member subobject` || | | ||:diagtext:`copying member subobject` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`copying array element` || | | ||:diagtext:`copying array element` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`allocating object` || | | ||:diagtext:`allocating object` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`copying temporary` || | | ||:diagtext:`copying temporary` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`initializing base subobject`|| | | ||:diagtext:`initializing base subobject` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`initializing vector element`|| | | ||:diagtext:`initializing vector element` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`capturing value` || | | ||:diagtext:`capturing value` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
+--------------------------------------------------------------------+-----------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------+------------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------+
-Wbinding-in-condition
----------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+--------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`ISO C++17 does not permit structured binding declaration in a condition`|
+--------------------------------------------------------------------------------------------------------------+
-Wbitfield-constant-conversion -Wbitfield-constant-conversion
------------------------------ ------------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
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+-------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'template' keyword outside of a template`| |:warning:`warning:` |nbsp| :diagtext:`'template' keyword outside of a template`|
+-------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------+
+---------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`default template arguments for a function template are a C++11 extension`| |:warning:`warning:` |nbsp| :diagtext:`default template arguments for a function template are a C++11 extension`|
+---------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------+---------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`first declaration of` |nbsp| |+-------------------------------------+| |nbsp| :diagtext:`specialization of` |nbsp| :placeholder:`B` |nbsp| :diagtext:`outside namespace` |nbsp| :placeholder:`C` |nbsp| :diagtext:`is a C++11 extension`|
| ||:diagtext:`class template` || |
| |+-------------------------------------+| |
| ||:diagtext:`class template partial` || |
| |+-------------------------------------+| |
| ||:diagtext:`variable template` || |
| |+-------------------------------------+| |
| ||:diagtext:`variable template partial`|| |
| |+-------------------------------------+| |
| ||:diagtext:`function template` || |
| |+-------------------------------------+| |
| ||:diagtext:`member function` || |
| |+-------------------------------------+| |
| ||:diagtext:`static data member` || |
| |+-------------------------------------+| |
| ||:diagtext:`member class` || |
| |+-------------------------------------+| |
| ||:diagtext:`member enumeration` || |
| |+-------------------------------------+| |
+-------------------------------------------------------------------+---------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+------------------------------------------------------------------------------+ +------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'typename' occurs outside of a template`| |:warning:`warning:` |nbsp| :diagtext:`'typename' occurs outside of a template`|
+------------------------------------------------------------------------------+ +------------------------------------------------------------------------------+
+------------------------------------------------------------------------------------------------------+-----------------------+-------------------------------------------------+ +------------------------------------------------------------------------------------------------------+-----------------------+-------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`unelaborated friend declaration is a C++11 extension; specify '`|+---------------------+|:diagtext:`' to befriend` |nbsp| :placeholder:`B`| |:warning:`warning:` |nbsp| :diagtext:`unelaborated friend declaration is a C++11 extension; specify '`|+---------------------+|:diagtext:`' to befriend` |nbsp| :placeholder:`B`|
| ||:diagtext:`struct` || | | ||:diagtext:`struct` || |
| |+---------------------+| | | |+---------------------+| |
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-Wc++17-extensions -Wc++17-extensions
------------------ ------------------
Some of the diagnostics controlled by this flag are enabled by default. Some of the diagnostics controlled by this flag are enabled by default.
**Diagnostic text:** **Diagnostic text:**
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`ISO C++ standards before C++17 do not allow new expression for type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to use list-initialization`|
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+------------------------------------------------------------------------+ +------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`constexpr if is a C++17 extension`| |:warning:`warning:` |nbsp| :diagtext:`constexpr if is a C++17 extension`|
+------------------------------------------------------------------------+ +------------------------------------------------------------------------+
+---------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'constexpr' on lambda expressions is a C++17 extension`| |:warning:`warning:` |nbsp| :diagtext:`'constexpr' on lambda expressions is a C++17 extension`|
+---------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------+
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-Wc++1z-extensions -Wc++1z-extensions
------------------ ------------------
Synonym for `-Wc++17-extensions`_. Synonym for `-Wc++17-extensions`_.
-Wc++2a-compat -Wc++2a-compat
-------------- --------------
Some of the diagnostics controlled by this flag are enabled by default.
**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'<=>' is a single token in C++2a; add a space to avoid a change in behavior`|
+------------------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' is a keyword in C++2a`| |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' is a keyword in C++2a`|
+-------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------+
-Wc++2a-compat-pedantic -Wc++2a-compat-pedantic
----------------------- -----------------------
Synonym for `-Wc++2a-compat`_. Synonym for `-Wc++2a-compat`_.
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+-------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`default member initializer for bit-field is incompatible with C++ standards before C++2a`| |:warning:`warning:` |nbsp| :diagtext:`default member initializer for bit-field is incompatible with C++ standards before C++2a`|
+-------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------+
+-----------------------------------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`explicit capture of 'this' with a capture default of '=' is incompatible with C++ standards before C++2a`| |:warning:`warning:` |nbsp| :diagtext:`explicit capture of 'this' with a capture default of '=' is incompatible with C++ standards before C++2a`|
+-----------------------------------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------------------------------+
+-----------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'<=>' operator is incompatible with C++ standards before C++2a`|
+-----------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'char8\_t' type specifier is incompatible with C++ standards before C++20`|
+----------------------------------------------------------------------------------------------------------------+
-Wc++98-c++11-c++14-c++17-compat-pedantic -Wc++98-c++11-c++14-c++17-compat-pedantic
----------------------------------------- -----------------------------------------
Also controls `-Wc++98-c++11-c++14-c++17-compat`_. Also controls `-Wc++98-c++11-c++14-c++17-compat`_.
**Diagnostic text:** **Diagnostic text:**
+-----------------------------------------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------------------------------------+
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+----------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------+
+--------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`in-class initialization of non-static data members is incompatible with C++98`| |:warning:`warning:` |nbsp| :diagtext:`in-class initialization of non-static data members is incompatible with C++98`|
+--------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------+
+---------------------------+------------------------------+------------------------------------------------------------------------------------------------+--------------------------------------+----------------------------------------------+ +---------------------------+------------------------------+------------------------------------------------------------------------------------------------+--------------------------------------+----------------------------------------------+
|:warning:`warning:` |nbsp| |+----------------------------+| |nbsp| :diagtext:`member` |nbsp| :placeholder:`B` |nbsp| :diagtext:`with a non-trivial` |nbsp| |+------------------------------------+| |nbsp| :diagtext:`is incompatible with C++98`| |:warning:`warning:` |nbsp| |+----------------------------+| |nbsp| :diagtext:`member` |nbsp| :placeholder:`B` |nbsp| :diagtext:`with a non-trivial` |nbsp| |+------------------------------------+| |nbsp| :diagtext:`is incompatible with C++98`|
| ||:diagtext:`anonymous struct`|| ||:diagtext:`constructor` || | | ||:diagtext:`anonymous struct`|| ||:diagtext:`default constructor` || |
| |+----------------------------+| |+------------------------------------+| | | |+----------------------------+| |+------------------------------------+| |
| ||:diagtext:`union` || ||:diagtext:`copy constructor` || | | ||:diagtext:`union` || ||:diagtext:`copy constructor` || |
| |+----------------------------+| |+------------------------------------+| | | |+----------------------------+| |+------------------------------------+| |
| | | ||:diagtext:`move constructor` || | | | | ||:diagtext:`move constructor` || |
| | | |+------------------------------------+| | | | | |+------------------------------------+| |
| | | ||:diagtext:`copy assignment operator`|| | | | | ||:diagtext:`copy assignment operator`|| |
| | | |+------------------------------------+| | | | | |+------------------------------------+| |
| | | ||:diagtext:`move assignment operator`|| | | | | ||:diagtext:`move assignment operator`|| |
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+-----------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`use of 'template' keyword outside of a template is incompatible with C++98`| |:warning:`warning:` |nbsp| :diagtext:`use of 'template' keyword outside of a template is incompatible with C++98`|
+-----------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------+
+---------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`default template arguments for a function template are incompatible with C++98`| |:warning:`warning:` |nbsp| :diagtext:`default template arguments for a function template are incompatible with C++98`|
+---------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------+
+---------------------------+---------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| |+-------------------------------------+| |nbsp| :diagtext:`specialization of` |nbsp| :placeholder:`B` |nbsp| :diagtext:`outside namespace` |nbsp| :placeholder:`C` |nbsp| :diagtext:`is incompatible with C++98`|
| ||:diagtext:`class template` || |
| |+-------------------------------------+| |
| ||:diagtext:`class template partial` || |
| |+-------------------------------------+| |
| ||:diagtext:`variable template` || |
| |+-------------------------------------+| |
| ||:diagtext:`variable template partial`|| |
| |+-------------------------------------+| |
| ||:diagtext:`function template` || |
| |+-------------------------------------+| |
| ||:diagtext:`member function` || |
| |+-------------------------------------+| |
| ||:diagtext:`static data member` || |
| |+-------------------------------------+| |
| ||:diagtext:`member class` || |
| |+-------------------------------------+| |
| ||:diagtext:`member enumeration` || |
| |+-------------------------------------+| |
+---------------------------+---------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`trailing return types are incompatible with C++98`| |:warning:`warning:` |nbsp| :diagtext:`trailing return types are incompatible with C++98`|
+----------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------+
+---------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`consecutive right angle brackets are incompatible with C++98 (use '> >')`| |:warning:`warning:` |nbsp| :diagtext:`consecutive right angle brackets are incompatible with C++98 (use '> >')`|
+---------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------+
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|:warning:`warning:` |nbsp| :diagtext:`variadic templates are incompatible with C++98`| |:warning:`warning:` |nbsp| :diagtext:`variadic templates are incompatible with C++98`|
+-------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------+
-Wc++98-compat-bind-to-temporary-copy -Wc++98-compat-bind-to-temporary-copy
------------------------------------- -------------------------------------
**Diagnostic text:** **Diagnostic text:**
+---------------------------+-----------------------------------------+----------------------------------------------------------------------------------------------------------------------------+------------------------------------------------+----------------------------+ +---------------------------+------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------+------------------------------------------------+----------------------------+
|:warning:`warning:` |nbsp| |+---------------------------------------+| |nbsp| :diagtext:`of type` |nbsp| :placeholder:`C` |nbsp| :diagtext:`when binding a reference to a temporary would` |nbsp| |+----------------------------------------------+| |nbsp| :diagtext:`in C++98`| |:warning:`warning:` |nbsp| |+----------------------------------------------------+| |nbsp| :diagtext:`of type` |nbsp| :placeholder:`C` |nbsp| :diagtext:`when binding a reference to a temporary would` |nbsp| |+----------------------------------------------+| |nbsp| :diagtext:`in C++98`|
| ||:diagtext:`copying variable` || ||:diagtext:`invoke an inaccessible constructor`|| | | ||:diagtext:`copying variable` || ||:diagtext:`invoke an inaccessible constructor`|| |
| |+---------------------------------------+| |+----------------------------------------------+| | | |+----------------------------------------------------+| |+----------------------------------------------+| |
| ||:diagtext:`copying parameter` || ||:diagtext:`find no viable constructor` || | | ||:diagtext:`copying parameter` || ||:diagtext:`find no viable constructor` || |
| |+---------------------------------------+| |+----------------------------------------------+| | | |+----------------------------------------------------+| |+----------------------------------------------+| |
| ||:diagtext:`returning object` || ||:diagtext:`find ambiguous constructors` || | | ||:diagtext:`returning object` || ||:diagtext:`find ambiguous constructors` || |
| |+---------------------------------------+| |+----------------------------------------------+| | | |+----------------------------------------------------+| |+----------------------------------------------+| |
| ||:diagtext:`throwing object` || ||:diagtext:`invoke a deleted constructor` || | | ||:diagtext:`initializing statement expression result`|| ||:diagtext:`invoke a deleted constructor` || |
| |+---------------------------------------+| |+----------------------------------------------+| | | |+----------------------------------------------------+| |+----------------------------------------------+| |
| ||:diagtext:`throwing object` || | | |
| |+----------------------------------------------------+| | | |
| ||:diagtext:`copying member subobject` || | | | | ||:diagtext:`copying member subobject` || | | |
| |+---------------------------------------+| | | | | |+----------------------------------------------------+| | | |
| ||:diagtext:`copying array element` || | | | | ||:diagtext:`copying array element` || | | |
| |+---------------------------------------+| | | | | |+----------------------------------------------------+| | | |
| ||:diagtext:`allocating object` || | | | | ||:diagtext:`allocating object` || | | |
| |+---------------------------------------+| | | | | |+----------------------------------------------------+| | | |
| ||:diagtext:`copying temporary` || | | | | ||:diagtext:`copying temporary` || | | |
| |+---------------------------------------+| | | | | |+----------------------------------------------------+| | | |
| ||:diagtext:`initializing base subobject`|| | | | | ||:diagtext:`initializing base subobject` || | | |
| |+---------------------------------------+| | | | | |+----------------------------------------------------+| | | |
| ||:diagtext:`initializing vector element`|| | | | | ||:diagtext:`initializing vector element` || | | |
| |+---------------------------------------+| | | | | |+----------------------------------------------------+| | | |
+---------------------------+-----------------------------------------+----------------------------------------------------------------------------------------------------------------------------+------------------------------------------------+----------------------------+ | ||:diagtext:`capturing value` || | | |
| |+----------------------------------------------------+| | | |
+---------------------------+------------------------------------------------------+----------------------------------------------------------------------------------------------------------------------------+------------------------------------------------+----------------------------+
-Wc++98-compat-extra-semi
-------------------------
**Diagnostic text:**
+-------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`extra ';' outside of a function is incompatible with C++98`|
+-------------------------------------------------------------------------------------------------+
-Wc++98-compat-local-type-template-args -Wc++98-compat-local-type-template-args
--------------------------------------- ---------------------------------------
**Diagnostic text:** **Diagnostic text:**
+--------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`local type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`as template argument is incompatible with C++98`| |:warning:`warning:` |nbsp| :diagtext:`local type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`as template argument is incompatible with C++98`|
+--------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------+
-Wc++98-compat-pedantic -Wc++98-compat-pedantic
----------------------- -----------------------
Also controls `-Wc++98-c++11-c++14-c++17-compat-pedantic`_, `-Wc++98-c++11-c++14-compat-pedantic`_, `-Wc++98-c++11-compat-pedantic`_, `-Wc++98-compat`_, `-Wc++98-compat-bind-to-temporary-copy`_. Also controls `-Wc++98-c++11-c++14-c++17-compat-pedantic`_, `-Wc++98-c++11-c++14-compat-pedantic`_, `-Wc++98-c++11-compat-pedantic`_, `-Wc++98-compat`_, `-Wc++98-compat-bind-to-temporary-copy`_, `-Wc++98-compat-extra-semi`_.
**Diagnostic text:** **Diagnostic text:**
+---------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------+----------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------+----------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`implicit conversion from array size expression of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| |+-----------------------+| |nbsp| :diagtext:`type` |nbsp| :placeholder:`C` |nbsp| :diagtext:`is incompatible with C++98`| |:warning:`warning:` |nbsp| :diagtext:`implicit conversion from array size expression of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| |+-----------------------+| |nbsp| :diagtext:`type` |nbsp| :placeholder:`C` |nbsp| :diagtext:`is incompatible with C++98`|
| ||:diagtext:`integral` || | | ||:diagtext:`integral` || |
| |+-----------------------+| | | |+-----------------------+| |
| ||:diagtext:`enumeration`|| | | ||:diagtext:`enumeration`|| |
Show All 23 Lines
+----------------------------------------------------------------------------+ +----------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`C++98 requires newline at end of file`| |:warning:`warning:` |nbsp| :diagtext:`C++98 requires newline at end of file`|
+----------------------------------------------------------------------------+ +----------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`#line number greater than 32767 is incompatible with C++98`| |:warning:`warning:` |nbsp| :diagtext:`#line number greater than 32767 is incompatible with C++98`|
+-------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`extra ';' outside of a function is incompatible with C++98`|
+-------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`variadic macros are incompatible with C++98`| |:warning:`warning:` |nbsp| :diagtext:`variadic macros are incompatible with C++98`|
+----------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------+
-Wc++98-compat-unnamed-type-template-args -Wc++98-compat-unnamed-type-template-args
----------------------------------------- -----------------------------------------
**Diagnostic text:** **Diagnostic text:**
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| |+-----------------------------------------+| | |+-----------------------------------------+|
+-------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------------------------------+
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`cast from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`must have all intermediate pointers const qualified to be safe`| |:warning:`warning:` |nbsp| :diagtext:`cast from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`must have all intermediate pointers const qualified to be safe`|
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wcast-qual-unrelated
---------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+---------------------------------------------------------------------+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`ISO C++ does not allow` |nbsp| |+---------------------------------+| |nbsp| :diagtext:`from` |nbsp| :placeholder:`B` |nbsp| :diagtext:`to` |nbsp| :placeholder:`C` |nbsp| :diagtext:`because it casts away qualifiers, even though the source and destination types are unrelated`|
| ||:diagtext:`const\_cast` || |
| |+---------------------------------+| |
| ||:diagtext:`static\_cast` || |
| |+---------------------------------+| |
| ||:diagtext:`reinterpret\_cast` || |
| |+---------------------------------+| |
| ||:diagtext:`dynamic\_cast` || |
| |+---------------------------------+| |
| ||:diagtext:`C-style cast` || |
| |+---------------------------------+| |
| ||:diagtext:`functional-style cast`|| |
| |+---------------------------------+| |
+---------------------------------------------------------------------+-----------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wchar-align -Wchar-align
------------ ------------
This diagnostic flag exists for GCC compatibility, and has no effect in Clang. This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
-Wchar-subscripts -Wchar-subscripts
----------------- -----------------
**Diagnostic text:** **Diagnostic text:**
Show All 27 Lines
+--------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`support for '`:placeholder:`A`:diagtext:`' without a filename not implemented yet; flag ignored`| |:warning:`warning:` |nbsp| :diagtext:`support for '`:placeholder:`A`:diagtext:`' without a filename not implemented yet; flag ignored`|
+--------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`support for '`:placeholder:`A`:diagtext:`' without a corresponding /FI flag not implemented yet; flag ignored`| |:warning:`warning:` |nbsp| :diagtext:`support for '`:placeholder:`A`:diagtext:`' without a corresponding /FI flag not implemented yet; flag ignored`|
+----------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------+
+-----------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`definition of macro` |nbsp| :placeholder:`A` |nbsp| :diagtext:`does not match definition in precompiled header`|
+-----------------------------------------------------------------------------------------------------------------------------------------------------+
-Wclass-varargs -Wclass-varargs
--------------- ---------------
Some of the diagnostics controlled by this flag are enabled by default. Some of the diagnostics controlled by this flag are enabled by default.
Also controls `-Wnon-pod-varargs`_. Also controls `-Wnon-pod-varargs`_.
**Diagnostic text:** **Diagnostic text:**
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+--------------------------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`implicit conversion discards imaginary component:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`| |:warning:`warning:` |nbsp| :diagtext:`implicit conversion discards imaginary component:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
+--------------------------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`implicit conversion loses floating-point precision:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`| |:warning:`warning:` |nbsp| :diagtext:`implicit conversion loses floating-point precision:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
+----------------------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------------------+
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`implicit conversion when assigning computation result loses floating-point precision:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+---------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`implicit conversion loses integer precision:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`| |:warning:`warning:` |nbsp| :diagtext:`implicit conversion loses integer precision:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
+---------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------------------+
+--------------------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`implicit conversion turns vector to scalar:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`| |:warning:`warning:` |nbsp| :diagtext:`implicit conversion turns vector to scalar:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`|
+--------------------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------------+
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|:warning:`warning:` |nbsp| :diagtext:`atomic by default property` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has a user defined` |nbsp| |+------------------+| |nbsp| :diagtext:`(property should be marked 'atomic' if this is intended)`| |:warning:`warning:` |nbsp| :diagtext:`atomic by default property` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has a user defined` |nbsp| |+------------------+| |nbsp| :diagtext:`(property should be marked 'atomic' if this is intended)`|
| ||:diagtext:`getter`|| | | ||:diagtext:`getter`|| |
| |+------------------+| | | |+------------------+| |
| ||:diagtext:`setter`|| | | ||:diagtext:`setter`|| |
| |+------------------+| | | |+------------------+| |
+---------------------------------------------------------------------------------------------------------------------------------------+--------------------+----------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------+--------------------+----------------------------------------------------------------------------+
-Wdangling
----------
This diagnostic is enabled by default.
Also controls `-Wdangling-field`_, `-Wdangling-initializer-list`_, `-Wreturn-stack-address`_.
**Diagnostic text:**
+---------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--------+----------------------------+---------------------------------------------------------------+
|:warning:`warning:` |nbsp| |+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+| |nbsp| |+--------------------------+|:diagtext:`will be destroyed at the end of the full-expression`|
| ||+-----------------------------+---------------------------------------------------------+--------+------------------------------------------------------------------------+|| ||+------------------------+|| |
| |||:diagtext:`temporary` |nbsp| |+-------------------------------------------------------+| |nbsp| |+----------------------------------------------------------------------+||| |||:placeholder:`D` |nbsp| ||| |
| ||| ||:diagtext:`whose address is used as value of` || ||+-------------------------------+------------------------------------+|||| ||+------------------------+|| |
| ||| |+-------------------------------------------------------+| |||+-----------------------------+|:diagtext:`member of local variable`||||| |+--------------------------+| |
| ||| ||+--------------------------------+--------------------+|| |||| || ||||| || || |
| ||| |||+------------------------------+|:diagtext:`bound to`||| |||+-----------------------------+| ||||| |+--------------------------+| |
| ||| |||| || ||| ||||:diagtext:`reference` |nbsp| || ||||| | | |
| ||| |||+------------------------------+| ||| |||+-----------------------------+| ||||| | | |
| ||| ||||:diagtext:`implicitly` |nbsp| || ||| ||+-------------------------------+------------------------------------+|||| | | |
| ||| |||+------------------------------+| ||| |+----------------------------------------------------------------------+||| | | |
| ||| ||+--------------------------------+--------------------+|| ||+-------------------------+-----------------------+ |||| | | |
| ||| |+-------------------------------------------------------+| |||:diagtext:`local` |nbsp| |+---------------------+| |||| | | |
| ||| | | ||| ||:diagtext:`variable` || |||| | | |
| ||| | | ||| |+---------------------+| |||| | | |
| ||| | | ||| ||:diagtext:`reference`|| |||| | | |
| ||| | | ||| |+---------------------+| |||| | | |
| ||| | | ||+-------------------------+-----------------------+ |||| | | |
| ||| | | |+----------------------------------------------------------------------+||| | | |
| ||+-----------------------------+---------------------------------------------------------+--------+------------------------------------------------------------------------+|| | | |
| |+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+| | | |
| ||+---------------------------------+----------------------------------------------------------+ || | | |
| |||:diagtext:`array backing` |nbsp| |+--------------------------------------------------------+| || | | |
| ||| ||:diagtext:`initializer list subobject of local variable`|| || | | |
| ||| |+--------------------------------------------------------+| || | | |
| ||| ||:diagtext:`local initializer list` || || | | |
| ||| |+--------------------------------------------------------+| || | | |
| ||+---------------------------------+----------------------------------------------------------+ || | | |
| |+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+| | | |
+---------------------------+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+--------+----------------------------+---------------------------------------------------------------+
+---------------------------------------------------------------------------+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------+---------------------------+--------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`sorry, lifetime extension of` |nbsp| |+---------------------------------------------+| |nbsp| :diagtext:`created by aggregate initialization using default member initializer is not supported; lifetime of` |nbsp| |+-------------------------+| |nbsp| :diagtext:`will end at the end of the full-expression`|
| ||:diagtext:`temporary` || ||:diagtext:`temporary` || |
| |+---------------------------------------------+| |+-------------------------+| |
| ||:diagtext:`backing array of initializer list`|| ||:diagtext:`backing array`|| |
| |+---------------------------------------------+| |+-------------------------+| |
+---------------------------------------------------------------------------+-----------------------------------------------+------------------------------------------------------------------------------------------------------------------------------+---------------------------+--------------------------------------------------------------+
-Wdangling-else -Wdangling-else
--------------- ---------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+---------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`add explicit braces to avoid dangling else`| |:warning:`warning:` |nbsp| :diagtext:`add explicit braces to avoid dangling else`|
+---------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------+
-Wdangling-field -Wdangling-field
---------------- ----------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+---------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------+-----------------------+------------------------+
|:warning:`warning:` |nbsp| :diagtext:`binding reference member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to stack allocated parameter` |nbsp| :placeholder:`B`| |:warning:`warning:` |nbsp| :diagtext:`binding reference member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to stack allocated` |nbsp| |+---------------------+| |nbsp| :placeholder:`B`|
+---------------------------------------------------------------------------------------------------------------------------------------------------------------+ | ||:diagtext:`variable` || |
| |+---------------------+| |
| ||:diagtext:`parameter`|| |
| |+---------------------+| |
+-------------------------------------------------------------------------------------------------------------------------------------+-----------------------+------------------------+
+----------------------------------------------------------------+----------------------------------+----------------------------------------------------------------------------------+ +---------------------------+--------------------------------------------------------+--------+----------------------------------+--------------------------------------------------+----------------------+------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`binding reference` |nbsp| |+--------------------------------+|:diagtext:`member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to a temporary value`| |:warning:`warning:` |nbsp| |+------------------------------------------------------+| |nbsp| |+--------------------------------+|:diagtext:`member` |nbsp| :placeholder:`A` |nbsp| |+--------------------+| |nbsp| :diagtext:`a temporary object whose lifetime is shorter than the lifetime of the constructed object`|
| || || | | ||:diagtext:`reference` || || || ||:diagtext:`binds to`|| |
| |+--------------------------------+| | | |+------------------------------------------------------+| |+--------------------------------+| |+--------------------+| |
| ||:diagtext:`subobject of` |nbsp| || | | ||:diagtext:`backing array for 'std::initializer\_list'`|| ||:diagtext:`subobject of` |nbsp| || ||:diagtext:`is` || |
| |+--------------------------------+| | | |+------------------------------------------------------+| |+--------------------------------+| |+--------------------+| |
+----------------------------------------------------------------+----------------------------------+----------------------------------------------------------------------------------+ +---------------------------+--------------------------------------------------------+--------+----------------------------------+--------------------------------------------------+----------------------+------------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------------------------------+-----------------------+------------------------+
|:warning:`warning:` |nbsp| :diagtext:`initializing pointer member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`with the stack address of parameter` |nbsp| :placeholder:`B`| |:warning:`warning:` |nbsp| :diagtext:`initializing pointer member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`with the stack address of` |nbsp| |+---------------------+| |nbsp| :placeholder:`B`|
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ | ||:diagtext:`variable` || |
| |+---------------------+| |
| ||:diagtext:`parameter`|| |
| |+---------------------+| |
+-----------------------------------------------------------------------------------------------------------------------------------------------+-----------------------+------------------------+
+--------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`temporary bound to reference member of allocated object will be destroyed at the end of the full-expression`|
+--------------------------------------------------------------------------------------------------------------------------------------------------+
-Wdangling-initializer-list -Wdangling-initializer-list
--------------------------- ---------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+-----------------------------------------------------------------------------------------------------------------+---------------------------------+ +------------------------------------------------------------+----------------------------------------------------------------+-----------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`array backing the initializer list will be destroyed at the end of` |nbsp| |+-------------------------------+| |:warning:`warning:` |nbsp| :diagtext:`array backing` |nbsp| |+--------------------------------------------------------------+| |nbsp| :diagtext:`will be destroyed at the end of the full-expression`|
| ||:diagtext:`the full-expression`|| | ||:diagtext:`initializer list subobject of the allocated object`|| |
| |+-------------------------------+| | |+--------------------------------------------------------------+| |
| ||:diagtext:`the constructor` || | ||:diagtext:`the allocated initializer list` || |
| |+-------------------------------+| | |+--------------------------------------------------------------+| |
+-----------------------------------------------------------------------------------------------------------------+---------------------------------+ +------------------------------------------------------------+----------------------------------------------------------------+-----------------------------------------------------------------------+
-Wdate-time -Wdate-time
----------- -----------
**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`expansion of date or time macro is not reproducible`| |:warning:`warning:` |nbsp| :diagtext:`expansion of date or time macro is not reproducible`|
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| |+----------------------+| | | |+----------------------+| |
+---------------------------+------------------------+----------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------+------------------------+----------------------------------------------------------------------------------------------------------------------------------------+
-Wdeprecated -Wdeprecated
------------ ------------
Some of the diagnostics controlled by this flag are enabled by default. Some of the diagnostics controlled by this flag are enabled by default.
Also controls `-Wdeprecated-attributes`_, `-Wdeprecated-declarations`_, `-Wdeprecated-dynamic-exception-spec`_, `-Wdeprecated-increment-bool`_, `-Wdeprecated-register`_, `-Wdeprecated-writable-strings`_. Also controls `-Wdeprecated-attributes`_, `-Wdeprecated-declarations`_, `-Wdeprecated-dynamic-exception-spec`_, `-Wdeprecated-increment-bool`_, `-Wdeprecated-register`_, `-Wdeprecated-this-capture`_, `-Wdeprecated-writable-strings`_.
**Diagnostic text:** **Diagnostic text:**
+---------------------------------------------------------------+ +---------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`-O4 is equivalent to -O3`| |:warning:`warning:` |nbsp| :diagtext:`-O4 is equivalent to -O3`|
+---------------------------------------------------------------+ +---------------------------------------------------------------+
+---------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------+
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**Diagnostic text:** **Diagnostic text:**
+-------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'register' storage class specifier is deprecated and incompatible with C++17`| |:warning:`warning:` |nbsp| :diagtext:`'register' storage class specifier is deprecated and incompatible with C++17`|
+-------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------+
-Wdeprecated-this-capture
-------------------------
**Diagnostic text:**
+-------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`implicit capture of 'this' with a capture default of '=' is deprecated`|
+-------------------------------------------------------------------------------------------------------------+
-Wdeprecated-writable-strings -Wdeprecated-writable-strings
----------------------------- -----------------------------
Synonym for `-Wc++11-compat-deprecated-writable-strings`_. Synonym for `-Wc++11-compat-deprecated-writable-strings`_.
-Wdirect-ivar-access -Wdirect-ivar-access
-------------------- --------------------
**Diagnostic text:** **Diagnostic text:**
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This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+-----------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`duplicate '`:placeholder:`A`:diagtext:`' declaration specifier`| |:warning:`warning:` |nbsp| :diagtext:`duplicate '`:placeholder:`A`:diagtext:`' declaration specifier`|
+-----------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`multiple identical address spaces specified for type`|
+-------------------------------------------------------------------------------------------+
+-----------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`duplicate '`:placeholder:`A`:diagtext:`' declaration specifier`| |:warning:`warning:` |nbsp| :diagtext:`duplicate '`:placeholder:`A`:diagtext:`' declaration specifier`|
+-----------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------+
-Wduplicate-enum -Wduplicate-enum
---------------- ----------------
**Diagnostic text:** **Diagnostic text:**
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|:warning:`warning:` |nbsp| :diagtext:`macro expansion producing 'defined' has undefined behavior`| |:warning:`warning:` |nbsp| :diagtext:`macro expansion producing 'defined' has undefined behavior`|
+-------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`macro expansion producing 'defined' has undefined behavior`| |:warning:`warning:` |nbsp| :diagtext:`macro expansion producing 'defined' has undefined behavior`|
+-------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------+
-Wexperimental-isel
-------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`-fexperimental-isel support for the '`:placeholder:`A`:diagtext:`' architecture is incomplete`|
+------------------------------------------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`-fexperimental-isel support is incomplete for this architecture at the current optimization level`|
+----------------------------------------------------------------------------------------------------------------------------------------+
-Wexplicit-initialize-call -Wexplicit-initialize-call
-------------------------- --------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`explicit call to +initialize results in duplicate call to +initialize`| |:warning:`warning:` |nbsp| :diagtext:`explicit call to +initialize results in duplicate call to +initialize`|
+------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`explicit call to \[super initialize\] should only be in implementation of +initialize`| |:warning:`warning:` |nbsp| :diagtext:`explicit call to \[super initialize\] should only be in implementation of +initialize`|
+----------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------+
-Wexplicit-ownership-type -Wexplicit-ownership-type
------------------------- -------------------------
**Diagnostic text:** **Diagnostic text:**
+-------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`method parameter of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`with no explicit ownership`| |:warning:`warning:` |nbsp| :diagtext:`method parameter of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`with no explicit ownership`|
+-------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------+
-Wextended-offsetof
-------------------
**Diagnostic text:**
+--------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`using extended field designator is an extension`|
+--------------------------------------------------------------------------------------+
-Wextern-c-compat -Wextern-c-compat
----------------- -----------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+---------------------------+---------------------------+--------------------+--------------------------------------------+---------------------------+--------------------------+ +---------------------------+---------------------------+--------------------+--------------------------------------------+---------------------------+--------------------------+
|:warning:`warning:` |nbsp| |+-------------------------+|+------------------+| |nbsp| :diagtext:`has size 0 in C,` |nbsp| |+-------------------------+| |nbsp| :diagtext:`in C++`| |:warning:`warning:` |nbsp| |+-------------------------+|+------------------+| |nbsp| :diagtext:`has size 0 in C,` |nbsp| |+-------------------------+| |nbsp| :diagtext:`in C++`|
Show All 36 Lines
+--------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`extra qualification on member` |nbsp| :placeholder:`A`| |:warning:`warning:` |nbsp| :diagtext:`extra qualification on member` |nbsp| :placeholder:`A`|
+--------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------+
-Wextra-semi -Wextra-semi
------------ ------------
Also controls `-Wc++11-extra-semi`_. Also controls `-Wc++11-extra-semi`_, `-Wc++98-compat-extra-semi`_.
**Diagnostic text:** **Diagnostic text:**
+--------------------------------------------------------+------------------------------------------------+ +--------------------------------------------------------+------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`extra ';'` |nbsp| |+----------------------------------------------+| |:warning:`warning:` |nbsp| :diagtext:`extra ';'` |nbsp| |+----------------------------------------------+|
| ||:diagtext:`outside of a function` || | ||:diagtext:`outside of a function` ||
| |+----------------------------------------------+| | |+----------------------------------------------+|
| ||+--------------------------------------------+|| | ||+--------------------------------------------+||
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|:warning:`warning:` |nbsp| :diagtext:`comparing floating point with == or != is unsafe`| |:warning:`warning:` |nbsp| :diagtext:`comparing floating point with == or != is unsafe`|
+---------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------+
-Wfloat-overflow-conversion -Wfloat-overflow-conversion
--------------------------- ---------------------------
**Diagnostic text:** **Diagnostic text:**
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`implicit conversion of out of range value from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`changes value from` |nbsp| :placeholder:`C` |nbsp| :diagtext:`to` |nbsp| :placeholder:`D`| |:warning:`warning:` |nbsp| :diagtext:`implicit conversion from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`changes value from` |nbsp| :placeholder:`C` |nbsp| :diagtext:`to` |nbsp| :placeholder:`D`|
+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`implicit conversion of out of range value from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`is undefined`|
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wfloat-zero-conversion -Wfloat-zero-conversion
----------------------- -----------------------
**Diagnostic text:** **Diagnostic text:**
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`implicit conversion from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`changes non-zero value from` |nbsp| :placeholder:`C` |nbsp| :diagtext:`to` |nbsp| :placeholder:`D`| |:warning:`warning:` |nbsp| :diagtext:`implicit conversion from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`changes non-zero value from` |nbsp| :placeholder:`C` |nbsp| :diagtext:`to` |nbsp| :placeholder:`D`|
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|:warning:`warning:` |nbsp| :diagtext:`format string is not a string literal`| |:warning:`warning:` |nbsp| :diagtext:`format string is not a string literal`|
+----------------------------------------------------------------------------+ +----------------------------------------------------------------------------+
-Wformat-pedantic -Wformat-pedantic
----------------- -----------------
**Diagnostic text:** **Diagnostic text:**
+---------------------------+----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| |+--------------------------------------------+| |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' should not be used as format arguments; add an explicit cast to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`instead`|
| ||:diagtext:`values of type` || |
| |+--------------------------------------------+| |
| ||:diagtext:`enum values with underlying type`|| |
| |+--------------------------------------------+| |
+---------------------------+----------------------------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+------------------------------------------------------------------------------------------------------------------------------------+-----------------------------+------------------------+ +------------------------------------------------------------------------------------------------------------------------------------+-----------------------------+------------------------+
|:warning:`warning:` |nbsp| :diagtext:`format specifies type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`but the argument has` |nbsp| |+---------------------------+| |nbsp| :placeholder:`B`| |:warning:`warning:` |nbsp| :diagtext:`format specifies type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`but the argument has` |nbsp| |+---------------------------+| |nbsp| :placeholder:`B`|
| ||:diagtext:`type` || | | ||:diagtext:`type` || |
| |+---------------------------+| | | |+---------------------------+| |
| ||:diagtext:`underlying type`|| | | ||:diagtext:`underlying type`|| |
| |+---------------------------+| | | |+---------------------------+| |
+------------------------------------------------------------------------------------------------------------------------------------+-----------------------------+------------------------+ +------------------------------------------------------------------------------------------------------------------------------------+-----------------------------+------------------------+
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The text of this diagnostic is not controlled by Clang. The text of this diagnostic is not controlled by Clang.
+--------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`stack frame size of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`bytes in` |nbsp| :placeholder:`B`| |:warning:`warning:` |nbsp| :diagtext:`stack frame size of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`bytes in` |nbsp| :placeholder:`B`|
+--------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------+
-Wframework-include-private-from-public
---------------------------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+-------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`public framework header includes private framework header '`:placeholder:`A`:diagtext:`'`|
+-------------------------------------------------------------------------------------------------------------------------------+
-Wfunction-def-in-objc-container -Wfunction-def-in-objc-container
-------------------------------- --------------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+--------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`function definition inside an Objective-C container is deprecated`| |:warning:`warning:` |nbsp| :diagtext:`function definition inside an Objective-C container is deprecated`|
+--------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------+
-Wfunction-multiversion
-----------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+-------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`body of cpu\_dispatch function will be ignored`|
+-------------------------------------------------------------------------------------+
+---------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`CPU list contains duplicate entries; attribute ignored`|
+---------------------------------------------------------------------------------------------+
-Wfuture-compat -Wfuture-compat
--------------- ---------------
This diagnostic flag exists for GCC compatibility, and has no effect in Clang. This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
-Wgcc-compat -Wgcc-compat
------------ ------------
Some of the diagnostics controlled by this flag are enabled by default. Some of the diagnostics controlled by this flag are enabled by default.
Show All 22 Lines
+----------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`GCC does not allow the 'cleanup' attribute argument to be anything other than a simple identifier`| |:warning:`warning:` |nbsp| :diagtext:`GCC does not allow the 'cleanup' attribute argument to be anything other than a simple identifier`|
+----------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------+
+-----------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`GCC does not allow an attribute in this position on a function declaration`| |:warning:`warning:` |nbsp| :diagtext:`GCC does not allow an attribute in this position on a function declaration`|
+-----------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------+
+------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`GCC does not allow the` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute to be written on a type`|
+------------------------------------------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`GCC does not allow variable declarations in for loop initializers before C99`|
+-------------------------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' is bound to current loop, GCC binds it to the enclosing loop`| |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' is bound to current loop, GCC binds it to the enclosing loop`|
+----------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------+
-Wglobal-constructors -Wglobal-constructors
--------------------- ---------------------
**Diagnostic text:** **Diagnostic text:**
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-Wignored-attributes -Wignored-attributes
-------------------- --------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+--------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'trivial\_abi' cannot be applied to` |nbsp| :placeholder:`A`|
+--------------------------------------------------------------------------------------------------+
+---------------------------+-------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------+-------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| |+-----------------+| |nbsp| :diagtext:`will always resolve to` |nbsp| :placeholder:`A` |nbsp| :diagtext:`even if weak definition of` |nbsp| :placeholder:`B` |nbsp| :diagtext:`is overridden`| |:warning:`warning:` |nbsp| |+-----------------+| |nbsp| :diagtext:`will always resolve to` |nbsp| :placeholder:`A` |nbsp| :diagtext:`even if weak definition of` |nbsp| :placeholder:`B` |nbsp| :diagtext:`is overridden`|
| ||:diagtext:`alias`|| | | ||:diagtext:`alias`|| |
| |+-----------------+| | | |+-----------------+| |
| ||:diagtext:`ifunc`|| | | ||:diagtext:`ifunc`|| |
| |+-----------------+| | | |+-----------------+| |
+---------------------------+-------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------+-------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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+----------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`\_\_weak attribute cannot be specified on a field declaration`| |:warning:`warning:` |nbsp| :diagtext:`\_\_weak attribute cannot be specified on a field declaration`|
+----------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------+
+------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`\_\_weak attribute cannot be specified on an automatic variable when ARC is not enabled`| |:warning:`warning:` |nbsp| :diagtext:`\_\_weak attribute cannot be specified on an automatic variable when ARC is not enabled`|
+------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------+
+------------------------------------------------------------------------------------------------+------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------+---------------------------------------------------+
|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute only applies to` |nbsp| |+----------------------------------------------------------------------------------------------------------------+| |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute only applies to` |nbsp| |+-------------------------------------------------+|
| ||:diagtext:`functions` || | ||:diagtext:`functions` ||
| |+----------------------------------------------------------------------------------------------------------------+| | |+-------------------------------------------------+|
| ||:diagtext:`unions` || | ||:diagtext:`unions` ||
| |+----------------------------------------------------------------------------------------------------------------+| | |+-------------------------------------------------+|
| ||:diagtext:`variables and functions` || | ||:diagtext:`variables and functions` ||
| |+----------------------------------------------------------------------------------------------------------------+| | |+-------------------------------------------------+|
| ||:diagtext:`functions and global variables` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`functions, variables, and Objective-C interfaces` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`functions and methods` || | ||:diagtext:`functions and methods` ||
| |+----------------------------------------------------------------------------------------------------------------+| | |+-------------------------------------------------+|
| ||:diagtext:`parameters` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`functions, methods and blocks` || | ||:diagtext:`functions, methods and blocks` ||
| |+----------------------------------------------------------------------------------------------------------------+| | |+-------------------------------------------------+|
| ||:diagtext:`functions, methods, and classes` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`functions, methods, and parameters` || | ||:diagtext:`functions, methods, and parameters` ||
| |+----------------------------------------------------------------------------------------------------------------+| | |+-------------------------------------------------+|
| ||:diagtext:`functions, methods, and global variables` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`classes` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`enums` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`variables` || | ||:diagtext:`variables` ||
| |+----------------------------------------------------------------------------------------------------------------+| | |+-------------------------------------------------+|
| ||:diagtext:`methods` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`fields and global variables` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`structs` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`parameters and typedefs` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`variables and typedefs` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`thread-local variables` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`variables and fields` || | ||:diagtext:`variables and fields` ||
| |+----------------------------------------------------------------------------------------------------------------+| | |+-------------------------------------------------+|
| ||:diagtext:`variables, data members and tag types` || | ||:diagtext:`variables, data members and tag types`||
| |+----------------------------------------------------------------------------------------------------------------+| | |+-------------------------------------------------+|
| ||:diagtext:`types and namespaces` || | ||:diagtext:`types and namespaces` ||
| |+----------------------------------------------------------------------------------------------------------------+| | |+-------------------------------------------------+|
| ||:diagtext:`Objective-C interfaces` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`methods and properties` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`functions, methods, and properties` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`struct or union` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`struct, union or class` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`types` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`Objective-C instance methods` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`init methods of interface or class extension declarations` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`variables, functions and classes` || | ||:diagtext:`variables, functions and classes` ||
| |+----------------------------------------------------------------------------------------------------------------+| | |+-------------------------------------------------+|
| ||:diagtext:`functions, variables, classes, and Objective-C interfaces` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`Objective-C protocols` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`variables with static or thread storage duration` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`functions, methods, properties, and global variables` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`structs, unions, and typedefs` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`structs and typedefs` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`interface or protocol declarations` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`kernel functions` || | ||:diagtext:`kernel functions` ||
| |+----------------------------------------------------------------------------------------------------------------+| | |+-------------------------------------------------+|
| ||:diagtext:`non-K&R-style functions` || | ||:diagtext:`non-K&R-style functions` ||
| |+----------------------------------------------------------------------------------------------------------------+| | |+-------------------------------------------------+|
| ||:diagtext:`variables, enums, fields and typedefs` || +------------------------------------------------------------------------------------------------+---------------------------------------------------+
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`functions, methods, enums, and classes` || +----------------------------------------------------------------------------------------------------------------+
| |+----------------------------------------------------------------------------------------------------------------+| |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute only applies to` |nbsp| :placeholder:`B`|
| ||:diagtext:`structs, classes, variables, functions, and inline namespaces` || +----------------------------------------------------------------------------------------------------------------+
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`variables, functions, methods, types, enumerations, enumerators, labels, and non-static data members`||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`classes and enumerations` ||
| |+----------------------------------------------------------------------------------------------------------------+|
| ||:diagtext:`named declarations` ||
| |+----------------------------------------------------------------------------------------------------------------+|
+------------------------------------------------------------------------------------------------+------------------------------------------------------------------------------------------------------------------+
+--------------------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`ignored, because it cannot be applied to omitted return type`| |:warning:`warning:` |nbsp| :diagtext:`attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`ignored, because it cannot be applied to omitted return type`|
+--------------------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`calling convention` |nbsp| :placeholder:`A` |nbsp| :diagtext:`ignored for this target`| |:warning:`warning:` |nbsp| :diagtext:`calling convention` |nbsp| :placeholder:`A` |nbsp| :diagtext:`ignored for this target`|
+----------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------+
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| ||:diagtext:`a 'void' return type`|| | ||:diagtext:`a 'void' return type`||
| |+--------------------------------+| | |+--------------------------------+|
+-------------------------------------------------------------------------------------------------------------+----------------------------------+ +-------------------------------------------------------------------------------------------------------------+----------------------------------+
+---------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`unknown attribute '`:placeholder:`A`:diagtext:`'`| |:warning:`warning:` |nbsp| :diagtext:`unknown attribute '`:placeholder:`A`:diagtext:`'`|
+---------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'nocf\_check' attribute ignored; use -fcf-protection to enable the attribute`|
+-------------------------------------------------------------------------------------------------------------------+
+------------------------------------------------------------------------------------------------+-----------------------------------+------------------------------+ +------------------------------------------------------------------------------------------------+-----------------------------------+------------------------------+
|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute only applies to` |nbsp| |+---------------------------------+| |nbsp| :diagtext:`parameters`| |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute only applies to` |nbsp| |+---------------------------------+| |nbsp| :diagtext:`parameters`|
| ||:diagtext:`Objective-C object` || | | ||:diagtext:`Objective-C object` || |
| |+---------------------------------+| | | |+---------------------------------+| |
| ||:diagtext:`pointer` || | | ||:diagtext:`pointer` || |
| |+---------------------------------+| | | |+---------------------------------+| |
| ||:diagtext:`pointer-to-CF-pointer`|| | | ||:diagtext:`pointer-to-CF-pointer`|| |
| |+---------------------------------+| | | |+---------------------------------+| |
+------------------------------------------------------------------------------------------------+-----------------------------------+------------------------------+ +------------------------------------------------------------------------------------------------+-----------------------------------+------------------------------+
+------------------------------------------------------------------------------------------------+------------------------+---------------------------------------+--------------------------------------+ +------------------------------------------------------------------------------------------------+------------------------+---------------------------------------+--------------------------------------+
|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute only applies to` |nbsp| |+----------------------+| |nbsp| :diagtext:`that return` |nbsp| |+------------------------------------+| |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute only applies to` |nbsp| |+----------------------+| |nbsp| :diagtext:`that return` |nbsp| |+------------------------------------+|
| ||:diagtext:`functions` || ||:diagtext:`an Objective-C object` || | ||:diagtext:`functions` || ||:diagtext:`an Objective-C object` ||
| |+----------------------+| |+------------------------------------+| | |+----------------------+| |+------------------------------------+|
| ||:diagtext:`methods` || ||:diagtext:`a pointer` || | ||:diagtext:`methods` || ||:diagtext:`a pointer` ||
| |+----------------------+| |+------------------------------------+| | |+----------------------+| |+------------------------------------+|
| ||:diagtext:`properties`|| ||:diagtext:`a non-retainable pointer`|| | ||:diagtext:`properties`|| ||:diagtext:`a non-retainable pointer`||
| |+----------------------+| |+------------------------------------+| | |+----------------------+| |+------------------------------------+|
+------------------------------------------------------------------------------------------------+------------------------+---------------------------------------+--------------------------------------+ +------------------------------------------------------------------------------------------------+------------------------+---------------------------------------+--------------------------------------+
+--------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute is deprecated and ignored in OpenCL version` |nbsp| :placeholder:`B`| |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`attribute is deprecated and ignored in OpenCL version` |nbsp| :placeholder:`B`|
+--------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------+
+---------------------------------------------------------------------------------------------------------------+----------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`RISC-V 'interrupt' attribute only applies to functions that have` |nbsp| |+--------------------------------+|
| ||:diagtext:`no parameters` ||
| |+--------------------------------+|
| ||:diagtext:`a 'void' return type`||
| |+--------------------------------+|
+---------------------------------------------------------------------------------------------------------------+----------------------------------+
+----------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`repeated RISC-V 'interrupt' attribute`|
+----------------------------------------------------------------------------+
+---------------------------+-----------------------+---------------------------------------------------------------------------------------------------------------------------------------------+-----------------------+-------------------------------------------------------------------------------------------------+ +---------------------------+-----------------------+---------------------------------------------------------------------------------------------------------------------------------------------+-----------------------+-------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| |+---------------------+| |nbsp| :diagtext:`of field` |nbsp| :placeholder:`B` |nbsp| :diagtext:`(`:placeholder:`C` |nbsp| :diagtext:`bits) does not match the` |nbsp| |+---------------------+| |nbsp| :diagtext:`of the first field in transparent union; transparent\_union attribute ignored`| |:warning:`warning:` |nbsp| |+---------------------+| |nbsp| :diagtext:`of field` |nbsp| :placeholder:`B` |nbsp| :diagtext:`(`:placeholder:`C` |nbsp| :diagtext:`bits) does not match the` |nbsp| |+---------------------+| |nbsp| :diagtext:`of the first field in transparent union; transparent\_union attribute ignored`|
| ||:diagtext:`alignment`|| ||:diagtext:`alignment`|| | | ||:diagtext:`alignment`|| ||:diagtext:`alignment`|| |
| |+---------------------+| |+---------------------+| | | |+---------------------+| |+---------------------+| |
| ||:diagtext:`size` || ||:diagtext:`size` || | | ||:diagtext:`size` || ||:diagtext:`size` || |
| |+---------------------+| |+---------------------+| | | |+---------------------+| |+---------------------+| |
+---------------------------+-----------------------+---------------------------------------------------------------------------------------------------------------------------------------------+-----------------------+-------------------------------------------------------------------------------------------------+ +---------------------------+-----------------------+---------------------------------------------------------------------------------------------------------------------------------------------+-----------------------+-------------------------------------------------------------------------------------------------+
Show All 22 Lines
| ||:diagtext:`Objective-C object or block pointer`|| | | ||:diagtext:`Objective-C object or block pointer`|| |
| |+-----------------------------------------------+| | | |+-----------------------------------------------+| |
+---------------------------------------------------------------------------------------------+-------------------------------------------------+---------------------------------------------------------------+ +---------------------------------------------------------------------------------------------+-------------------------------------------------+---------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`\_\_declspec attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not supported`| |:warning:`warning:` |nbsp| :diagtext:`\_\_declspec attribute` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not supported`|
+-------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------+-------------------------+----------------------------------+---------------------------------------------------------------------------------+ +---------------------------+-------------------------+----------------------------------+---------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`ignoring` |nbsp| |+-----------------------+|+--------------------------------+| |nbsp| :diagtext:`'`:placeholder:`C`:diagtext:`' in the target attribute string`| |:warning:`warning:` |nbsp| |+-----------------------+|+--------------------------------+| |nbsp| :diagtext:`'`:placeholder:`C`:diagtext:`' in the 'target' attribute string; 'target' attribute ignored`|
| ||:diagtext:`unsupported`||| || | | ||:diagtext:`unsupported`||| || |
| |+-----------------------+|+--------------------------------+| | | |+-----------------------+|+--------------------------------+| |
| ||:diagtext:`duplicate` ||| |nbsp| :diagtext:`architecture`|| | | ||:diagtext:`duplicate` ||| |nbsp| :diagtext:`architecture`|| |
| |+-----------------------+|+--------------------------------+| | | |+-----------------------+|+--------------------------------+| |
+-------------------------------------------------------+-------------------------+----------------------------------+---------------------------------------------------------------------------------+ +---------------------------+-------------------------+----------------------------------+---------------------------------------------------------------------------------------------------------------+
-Wignored-optimization-argument -Wignored-optimization-argument
------------------------------- -------------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
Show All 16 Lines
|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not a recognized builtin`|+----------------------------------------------------------------------------+| |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is not a recognized builtin`|+----------------------------------------------------------------------------+|
| || || | || ||
| |+----------------------------------------------------------------------------+| | |+----------------------------------------------------------------------------+|
| ||:diagtext:`; consider including <intrin.h> to access non-builtin intrinsics`|| | ||:diagtext:`; consider including <intrin.h> to access non-builtin intrinsics`||
| |+----------------------------------------------------------------------------+| | |+----------------------------------------------------------------------------+|
+------------------------------------------------------------------------------------------+------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------+------------------------------------------------------------------------------+
-Wignored-pragma-optimize
-------------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+--------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'#pragma optimize' is not supported`|
+--------------------------------------------------------------------------+
-Wignored-pragmas -Wignored-pragmas
----------------- -----------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
Also controls `-Wignored-pragma-intrinsic`_. Also controls `-Wignored-pragma-intrinsic`_, `-Wignored-pragma-optimize`_.
**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------------------------+---------------------------+-----------------------+ +------------------------------------------------------------------------------+---------------------------+-----------------------+
|:warning:`warning:` |nbsp| :diagtext:`expected '=' following '#pragma` |nbsp| |+-------------------------+|:diagtext:`' - ignored`| |:warning:`warning:` |nbsp| :diagtext:`expected '=' following '#pragma` |nbsp| |+-------------------------+|:diagtext:`' - ignored`|
| ||:diagtext:`align` || | | ||:diagtext:`align` || |
| |+-------------------------+| | | |+-------------------------+| |
| ||:diagtext:`options align`|| | | ||:diagtext:`options align`|| |
Show All 31 Lines
+--------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`missing ':' after` |nbsp| :placeholder:`A` |nbsp| :diagtext:`- ignoring`| |:warning:`warning:` |nbsp| :diagtext:`missing ':' after` |nbsp| :placeholder:`A` |nbsp| :diagtext:`- ignoring`|
+--------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------+
+---------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`missing ':' or ')' after` |nbsp| :placeholder:`A` |nbsp| :diagtext:`- ignoring`| |:warning:`warning:` |nbsp| :diagtext:`missing ':' or ')' after` |nbsp| :placeholder:`A` |nbsp| :diagtext:`- ignoring`|
+---------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`expected ',' in '#pragma` |nbsp| :placeholder:`A`:diagtext:`'`|
+----------------------------------------------------------------------------------------------------+
+---------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`expected identifier in '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`| |:warning:`warning:` |nbsp| :diagtext:`expected identifier in '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
+---------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------+
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`expected 'compiler', 'lib', 'user', or a string literal for the section name in '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`| |:warning:`warning:` |nbsp| :diagtext:`expected 'compiler', 'lib', 'user', or a string literal for the section name in '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
Show All 32 Lines
+------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`expected a string literal for the section name in '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`| |:warning:`warning:` |nbsp| :diagtext:`expected a string literal for the section name in '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
+------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`expected push, pop or a string literal for the section name in '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`| |:warning:`warning:` |nbsp| :diagtext:`expected push, pop or a string literal for the section name in '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
+-------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------------+
+--------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`expected string literal in '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignoring`|
+--------------------------------------------------------------------------------------------------------------------------+
+---------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`extra tokens at end of '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`| |:warning:`warning:` |nbsp| :diagtext:`extra tokens at end of '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
+---------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`incorrect use of #pragma clang force\_cuda\_host\_device begin\|end`| |:warning:`warning:` |nbsp| :diagtext:`incorrect use of #pragma clang force\_cuda\_host\_device begin\|end`|
+----------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'#pragma init\_seg' is only supported when targeting a Microsoft environment`| |:warning:`warning:` |nbsp| :diagtext:`'#pragma init\_seg' is only supported when targeting a Microsoft environment`|
+-------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------+
+-----------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`unknown action for '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`| |:warning:`warning:` |nbsp| :diagtext:`unknown action for '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
+-----------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------+
+------------------------------------------------------------------------------------------------------------------------------------------+--------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`unexpected argument '`:placeholder:`A`:diagtext:`' to '#pragma` |nbsp| :placeholder:`B`:diagtext:`'`|+------------------------------------------------+|
| || ||
| |+------------------------------------------------+|
| ||+----------------------------------------------+||
| |||:diagtext:`; expected` |nbsp| :placeholder:`D`|||
| ||+----------------------------------------------+||
| |+------------------------------------------------+|
+------------------------------------------------------------------------------------------------------------------------------------------+--------------------------------------------------+
+------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`unknown action '`:placeholder:`B`:diagtext:`' for '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`| |:warning:`warning:` |nbsp| :diagtext:`unknown action '`:placeholder:`B`:diagtext:`' for '#pragma` |nbsp| :placeholder:`A`:diagtext:`' - ignored`|
+------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------------+
+--------------------------------------------------------------------------------------------------------+--------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`missing argument to '#pragma` |nbsp| :placeholder:`A`:diagtext:`'`|+------------------------------------------------+|
| || ||
| |+------------------------------------------------+|
| ||+----------------------------------------------+||
| |||:diagtext:`; expected` |nbsp| :placeholder:`C`|||
| ||+----------------------------------------------+||
| |+------------------------------------------------+|
+--------------------------------------------------------------------------------------------------------+--------------------------------------------------+
+----------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`incorrect use of '#pragma ms\_struct on\|off' - ignored`| |:warning:`warning:` |nbsp| :diagtext:`incorrect use of '#pragma ms\_struct on\|off' - ignored`|
+----------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------+
+--------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`#pragma options align=reset failed:` |nbsp| :placeholder:`A`| |:warning:`warning:` |nbsp| :diagtext:`#pragma options align=reset failed:` |nbsp| :placeholder:`A`|
+--------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------+
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| ||:diagtext:`\_\_autoreleasing` || | | ||:diagtext:`\_\_autoreleasing` || |
| |+----------------------------------+| | | |+----------------------------------+| |
+--------------------------------------------------+------------------------------------+----------------------------------------------------------------+ +--------------------------------------------------+------------------------------------+----------------------------------------------------------------+
+---------------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' qualifier on omitted return type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`has no effect`| |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' qualifier on omitted return type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`has no effect`|
+---------------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------------------------+
+------------------------------------------------------------------------------------+---------------+------------------------------------------+-------------------+-----------------------------+ +------------------------------------------------------------------------------------+---------------+------------------------------------------+------------------+-----------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' type qualifier`|+-------------+| |nbsp| :diagtext:`on return type` |nbsp| |+-----------------+| |nbsp| :diagtext:`no effect`| |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' type qualifier`|+-------------+| |nbsp| :diagtext:`on return type` |nbsp| |+----------------+| |nbsp| :diagtext:`no effect`|
| || || ||:diagtext:`:has` || | | || || ||:diagtext:`has` || |
| |+-------------+| |+-----------------+| | | |+-------------+| |+----------------+| |
| ||:diagtext:`s`|| ||:diagtext:`:have`|| | | ||:diagtext:`s`|| ||:diagtext:`have`|| |
| |+-------------+| |+-----------------+| | | |+-------------+| |+----------------+| |
+------------------------------------------------------------------------------------+---------------+------------------------------------------+-------------------+-----------------------------+ +------------------------------------------------------------------------------------+---------------+------------------------------------------+------------------+-----------------------------+
+---------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' qualifier on function type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`has no effect`| |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' qualifier on function type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`has no effect`|
+---------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' qualifier on reference type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`has no effect`| |:warning:`warning:` |nbsp| :diagtext:`'`:placeholder:`A`:diagtext:`' qualifier on reference type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`has no effect`|
+----------------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------------+
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This diagnostic is an error by default, but the flag ``-Wno-incompatible-ms-struct`` can be used to disable the error. This diagnostic is an error by default, but the flag ``-Wno-incompatible-ms-struct`` can be used to disable the error.
**Diagnostic text:** **Diagnostic text:**
+---------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------+
|:error:`error:` |nbsp| :diagtext:`ms\_struct may not produce Microsoft-compatible layouts for classes with base classes or virtual functions`| |:error:`error:` |nbsp| :diagtext:`ms\_struct may not produce Microsoft-compatible layouts for classes with base classes or virtual functions`|
+---------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------+
+------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:error:`error:` |nbsp| :diagtext:`ms\_struct may not produce Microsoft-compatible layouts with fundamental data types with sizes that aren't a power of two`|
+------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wincompatible-pointer-types -Wincompatible-pointer-types
---------------------------- ----------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
Also controls `-Wincompatible-function-pointer-types`_, `-Wincompatible-pointer-types-discards-qualifiers`_. Also controls `-Wincompatible-function-pointer-types`_, `-Wincompatible-pointer-types-discards-qualifiers`_.
**Diagnostic text:** **Diagnostic text:**
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**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`using sysroot for '`:placeholder:`A`:diagtext:`' but targeting '`:placeholder:`B`:diagtext:`'`| |:warning:`warning:` |nbsp| :diagtext:`using sysroot for '`:placeholder:`A`:diagtext:`' but targeting '`:placeholder:`B`:diagtext:`'`|
+------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------+
-Wincomplete-framework-module-declaration
-----------------------------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`skipping '`:placeholder:`A`:diagtext:`' because module declaration of '`:placeholder:`B`:diagtext:`' lacks the 'framework' qualifier`|
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wincomplete-implementation -Wincomplete-implementation
--------------------------- ---------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+-----------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`method definition for` |nbsp| :placeholder:`A` |nbsp| :diagtext:`not found`| |:warning:`warning:` |nbsp| :diagtext:`method definition for` |nbsp| :placeholder:`A` |nbsp| :diagtext:`not found`|
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This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`implicit conversion from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`changes value from` |nbsp| :placeholder:`C` |nbsp| :diagtext:`to` |nbsp| :placeholder:`D`| |:warning:`warning:` |nbsp| :diagtext:`implicit conversion from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`changes value from` |nbsp| :placeholder:`C` |nbsp| :diagtext:`to` |nbsp| :placeholder:`D`|
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`implicit conversion of out of range value from` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`is undefined`|
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wliteral-range -Wliteral-range
--------------- ---------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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|:warning:`warning:` |nbsp| :diagtext:`taking the max of` |nbsp| |+-------------------------------------+| |nbsp| :diagtext:`is always equal to the other value`| |:warning:`warning:` |nbsp| :diagtext:`taking the max of` |nbsp| |+-------------------------------------+| |nbsp| :diagtext:`is always equal to the other value`|
| ||:diagtext:`a value and unsigned zero`|| | | ||:diagtext:`a value and unsigned zero`|| |
| |+-------------------------------------+| | | |+-------------------------------------+| |
| ||:diagtext:`unsigned zero and a value`|| | | ||:diagtext:`unsigned zero and a value`|| |
| |+-------------------------------------+| | | |+-------------------------------------+| |
+----------------------------------------------------------------+---------------------------------------+------------------------------------------------------+ +----------------------------------------------------------------+---------------------------------------+------------------------------------------------------+
-Wmemset-transposed-args
------------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+---------------------------+-----------------------------------------------------+---------------------------------------------------------------+
|:warning:`warning:` |nbsp| |+---------------------------------------------------+|:diagtext:`; did you mean to transpose the last two arguments?`|
| ||:diagtext:`'size' argument to memset is '0'` || |
| |+---------------------------------------------------+| |
| ||:diagtext:`setting buffer to a 'sizeof' expression`|| |
| |+---------------------------------------------------+| |
+---------------------------+-----------------------------------------------------+---------------------------------------------------------------+
-Wmemsize-comparison -Wmemsize-comparison
-------------------- --------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+-----------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`size argument in` |nbsp| :placeholder:`A` |nbsp| :diagtext:`call is a comparison`| |:warning:`warning:` |nbsp| :diagtext:`size argument in` |nbsp| :placeholder:`A` |nbsp| :diagtext:`call is a comparison`|
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**Diagnostic text:** **Diagnostic text:**
+----------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`jump from this goto statement to its label is a Microsoft extension`| |:warning:`warning:` |nbsp| :diagtext:`jump from this goto statement to its label is a Microsoft extension`|
+----------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------+
-Wmicrosoft-inaccessible-base
-----------------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`accessing inaccessible direct base` |nbsp| :placeholder:`A` |nbsp| :diagtext:`of` |nbsp| :placeholder:`B` |nbsp| :diagtext:`is a Microsoft extension`|
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wmicrosoft-include -Wmicrosoft-include
------------------- -------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`#include resolved using non-portable Microsoft search rules as:` |nbsp| :placeholder:`A`| |:warning:`warning:` |nbsp| :diagtext:`#include resolved using non-portable Microsoft search rules as:` |nbsp| :placeholder:`A`|
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+------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`duplicate explicit instantiation of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`ignored as a Microsoft extension`| |:warning:`warning:` |nbsp| :diagtext:`duplicate explicit instantiation of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`ignored as a Microsoft extension`|
+------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`use of identifier` |nbsp| :placeholder:`A` |nbsp| :diagtext:`found via unqualified lookup into dependent bases of class templates is a Microsoft extension`| |:warning:`warning:` |nbsp| :diagtext:`use of identifier` |nbsp| :placeholder:`A` |nbsp| :diagtext:`found via unqualified lookup into dependent bases of class templates is a Microsoft extension`|
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+--------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`explicit specialization of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`within class scope is a Microsoft extension`|
+--------------------------------------------------------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`using the undeclared type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`as a default template argument is a Microsoft extension`| |:warning:`warning:` |nbsp| :diagtext:`using the undeclared type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`as a default template argument is a Microsoft extension`|
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+-----------------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`non-type template argument containing a dereference operation is a Microsoft extension`| |:warning:`warning:` |nbsp| :diagtext:`non-type template argument containing a dereference operation is a Microsoft extension`|
+-----------------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------------+
+---------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------+---------------------------------------+-----------------------------------------------------------------------------------------------+------------------------------------------------------------------------------------------+--------------------------------------------+
|:warning:`warning:` |nbsp| |+-------------------------------------+| |nbsp| :diagtext:`specialization of` |nbsp| :placeholder:`B` |nbsp| :diagtext:`outside namespace enclosing` |nbsp| :placeholder:`C` |nbsp| :diagtext:`is a Microsoft extension`| |:warning:`warning:` |nbsp| |+-------------------------------------+| |nbsp| :diagtext:`specialization of` |nbsp| :placeholder:`B` |nbsp| :diagtext:`not in` |nbsp| |+----------------------------------------------------------------------------------------+| |nbsp| :diagtext:`is a Microsoft extension`|
| ||:diagtext:`class template` || | | ||:diagtext:`class template` || ||+---------------------------------------------------------+ || |
| |+-------------------------------------+| | | |+-------------------------------------+| |||:diagtext:`a namespace enclosing` |nbsp| :placeholder:`C`| || |
| ||:diagtext:`class template partial` || | | ||:diagtext:`class template partial` || ||+---------------------------------------------------------+ || |
| |+-------------------------------------+| | | |+-------------------------------------+| |+----------------------------------------------------------------------------------------+| |
| ||:diagtext:`variable template` || | | ||:diagtext:`variable template` || ||+--------------------------------------------------------------------------------------+|| |
| |+-------------------------------------+| | | |+-------------------------------------+| |||:diagtext:`class` |nbsp| :placeholder:`C` |nbsp| :diagtext:`or an enclosing namespace`||| |
| ||:diagtext:`variable template partial`|| | | ||:diagtext:`variable template partial`|| ||+--------------------------------------------------------------------------------------+|| |
| |+-------------------------------------+| | | |+-------------------------------------+| |+----------------------------------------------------------------------------------------+| |
| ||:diagtext:`function template` || | | ||:diagtext:`function template` || | | |
| |+-------------------------------------+| | | |+-------------------------------------+| | | |
| ||:diagtext:`member function` || | | ||:diagtext:`member function` || | | |
| |+-------------------------------------+| | | |+-------------------------------------+| | | |
| ||:diagtext:`static data member` || | | ||:diagtext:`static data member` || | | |
| |+-------------------------------------+| | | |+-------------------------------------+| | | |
| ||:diagtext:`member class` || | | ||:diagtext:`member class` || | | |
| |+-------------------------------------+| | | |+-------------------------------------+| | | |
| ||:diagtext:`member enumeration` || | | ||:diagtext:`member enumeration` || | | |
| |+-------------------------------------+| | | |+-------------------------------------+| | | |
+---------------------------+---------------------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------+---------------------------------------+-----------------------------------------------------------------------------------------------+------------------------------------------------------------------------------------------+--------------------------------------------+
+------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`template argument for template type parameter must be a type; omitted 'typename' is a Microsoft extension`| |:warning:`warning:` |nbsp| :diagtext:`template argument for template type parameter must be a type; omitted 'typename' is a Microsoft extension`|
+------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------------+
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`use of undeclared identifier` |nbsp| :placeholder:`A`:diagtext:`; unqualified lookup into dependent bases of class template` |nbsp| :placeholder:`B` |nbsp| :diagtext:`is a Microsoft extension`| |:warning:`warning:` |nbsp| :diagtext:`use of undeclared identifier` |nbsp| :placeholder:`A`:diagtext:`; unqualified lookup into dependent bases of class template` |nbsp| :placeholder:`B` |nbsp| :diagtext:`is a Microsoft extension`|
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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------ ------
Some of the diagnostics controlled by this flag are enabled by default. Some of the diagnostics controlled by this flag are enabled by default.
Controls `-Wcast-of-sel-type`_, `-Wchar-subscripts`_, `-Wcomment`_, `-Wdelete-non-virtual-dtor`_, `-Wextern-c-compat`_, `-Wfor-loop-analysis`_, `-Wformat`_, `-Wimplicit`_, `-Winfinite-recursion`_, `-Wmismatched-tags`_, `-Wmissing-braces`_, `-Wmove`_, `-Wmultichar`_, `-Wobjc-designated-initializers`_, `-Wobjc-flexible-array`_, `-Wobjc-missing-super-calls`_, `-Woverloaded-virtual`_, `-Wprivate-extern`_, `-Wreorder`_, `-Wreturn-type`_, `-Wself-assign`_, `-Wself-move`_, `-Wsizeof-array-argument`_, `-Wsizeof-array-decay`_, `-Wstring-plus-int`_, `-Wtrigraphs`_, `-Wuninitialized`_, `-Wunknown-pragmas`_, `-Wunused`_, `-Wuser-defined-warnings`_, `-Wvolatile-register-var`_. Controls `-Wcast-of-sel-type`_, `-Wchar-subscripts`_, `-Wcomment`_, `-Wdelete-non-virtual-dtor`_, `-Wextern-c-compat`_, `-Wfor-loop-analysis`_, `-Wformat`_, `-Wimplicit`_, `-Winfinite-recursion`_, `-Wmismatched-tags`_, `-Wmissing-braces`_, `-Wmove`_, `-Wmultichar`_, `-Wobjc-designated-initializers`_, `-Wobjc-flexible-array`_, `-Wobjc-missing-super-calls`_, `-Woverloaded-virtual`_, `-Wprivate-extern`_, `-Wreorder`_, `-Wreturn-type`_, `-Wself-assign`_, `-Wself-move`_, `-Wsizeof-array-argument`_, `-Wsizeof-array-decay`_, `-Wstring-plus-int`_, `-Wtrigraphs`_, `-Wuninitialized`_, `-Wunknown-pragmas`_, `-Wunused`_, `-Wuser-defined-warnings`_, `-Wvolatile-register-var`_.
-Wmove -Wmove
------ ------
Controls `-Wpessimizing-move`_, `-Wredundant-move`_, `-Wself-move`_. Controls `-Wpessimizing-move`_, `-Wredundant-move`_, `-Wreturn-std-move`_, `-Wself-move`_.
-Wmsvc-include -Wmsvc-include
-------------- --------------
Synonym for `-Wmicrosoft-include`_. Synonym for `-Wmicrosoft-include`_.
-Wmsvc-not-found -Wmsvc-not-found
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**Diagnostic text:** **Diagnostic text:**
+---------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`vector initializers are not compatible with NEON intrinsics in big endian mode`| |:warning:`warning:` |nbsp| :diagtext:`vector initializers are not compatible with NEON intrinsics in big endian mode`|
+---------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------+
-Wnontrivial-memaccess
----------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+---------------------------+-------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+------------------------------------------+
|:warning:`warning:` |nbsp| |+-----------------------------+| |nbsp| :diagtext:`this` |nbsp| :placeholder:`B` |nbsp| :diagtext:`call is a pointer to record` |nbsp| :placeholder:`C` |nbsp| :diagtext:`that is not trivial to` |nbsp| |+----------------------------------------+|
| ||:diagtext:`destination for` || ||:diagtext:`primitive-default-initialize`||
| |+-----------------------------+| |+----------------------------------------+|
| ||:diagtext:`source of` || ||:diagtext:`primitive-copy` ||
| |+-----------------------------+| |+----------------------------------------+|
| ||:diagtext:`first operand of` || | |
| |+-----------------------------+| | |
| ||:diagtext:`second operand of`|| | |
| |+-----------------------------+| | |
+---------------------------+-------------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------+------------------------------------------+
-Wnsconsumed-mismatch -Wnsconsumed-mismatch
--------------------- ---------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+---------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`overriding method has mismatched ns\_consumed attribute on its parameter`| |:warning:`warning:` |nbsp| :diagtext:`overriding method has mismatched ns\_consumed attribute on its parameter`|
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-Wobjc-circular-container -Wobjc-circular-container
------------------------- -------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+-----------------------------------------------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`adding '`:placeholder:`A`:diagtext:`' to '`:placeholder:`B`:diagtext:`' might cause circular dependency in container`| |:warning:`warning:` |nbsp| :diagtext:`adding` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B` |nbsp| :diagtext:`might cause circular dependency in container`|
+-----------------------------------------------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wobjc-cocoa-api -Wobjc-cocoa-api
---------------- ----------------
Synonym for `-Wobjc-redundant-api-use`_. Synonym for `-Wobjc-redundant-api-use`_.
-Wobjc-designated-initializers -Wobjc-designated-initializers
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This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`The OpenMP offloading target '`:placeholder:`A`:diagtext:`' is similar to target '`:placeholder:`B`:diagtext:`' already specified - will be ignored.`| |:warning:`warning:` |nbsp| :diagtext:`The OpenMP offloading target '`:placeholder:`A`:diagtext:`' is similar to target '`:placeholder:`B`:diagtext:`' already specified - will be ignored.`|
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`No library '`:placeholder:`A`:diagtext:`' found in the default clang lib directory or in LIBRARY\_PATH. Expect degraded performance due to no inlining of runtime functions on target devices.`|
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`Non-trivial type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is mapped, only trivial types are guaranteed to be mapped correctly`|
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+-----------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`declaration is not declared in any declare target region`| |:warning:`warning:` |nbsp| :diagtext:`declaration is not declared in any declare target region`|
+-----------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------+
-Woption-ignored -Woption-ignored
---------------- ----------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`option '-ffine-grained-bitfield-accesses' cannot be enabled together with a sanitizer; flag ignored`| |:warning:`warning:` |nbsp| :diagtext:`option '-ffine-grained-bitfield-accesses' cannot be enabled together with a sanitizer; flag ignored`|
+------------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`The '`:placeholder:`A`:diagtext:`' architecture does not support -moutline; flag ignored`|
+-------------------------------------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`option '`:placeholder:`A`:diagtext:`' was ignored by the PS4 toolchain, using '-fPIC'`| |:warning:`warning:` |nbsp| :diagtext:`option '`:placeholder:`A`:diagtext:`' was ignored by the PS4 toolchain, using '-fPIC'`|
+----------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`ignoring '-mabicalls' option as it cannot be used with non position-independent code and the N64 ABI`|
+-------------------------------------------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------------------------+-------------------------------------------+----------------------+ +-------------------------------------------------------------------------------------------------------------------+-------------------------------------------+----------------------+
|:warning:`warning:` |nbsp| :diagtext:`ignoring '-mlong-calls' option as it is not currently supported with` |nbsp| |+-----------------------------------------+|:diagtext:`-mabicalls`| |:warning:`warning:` |nbsp| :diagtext:`ignoring '-mlong-calls' option as it is not currently supported with` |nbsp| |+-----------------------------------------+|:diagtext:`-mabicalls`|
| || || | | || || |
| |+-----------------------------------------+| | | |+-----------------------------------------+| |
| ||:diagtext:`the implicit usage of` |nbsp| || | | ||:diagtext:`the implicit usage of` |nbsp| || |
| |+-----------------------------------------+| | | |+-----------------------------------------+| |
+-------------------------------------------------------------------------------------------------------------------+-------------------------------------------+----------------------+ +-------------------------------------------------------------------------------------------------------------------+-------------------------------------------+----------------------+
+-----------------------------------------------------------------------------------------------------------------------+-------------------------------+----------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`ignoring '`:placeholder:`A`:diagtext:`' option as it cannot be used with` |nbsp| |+-----------------------------+| |nbsp| :diagtext:`-mabicalls and the N64 ABI`|
| ||:diagtext:`implicit usage of`|| |
| |+-----------------------------+| |
| || || |
| |+-----------------------------+| |
+-----------------------------------------------------------------------------------------------------------------------+-------------------------------+----------------------------------------------+
+----------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`auto-vectorization requires HVX, use -mhvx to enable it`|
+----------------------------------------------------------------------------------------------+
-Wordered-compare-function-pointers
-----------------------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`ordered comparison of function pointers (`:placeholder:`A` |nbsp| :diagtext:`and` |nbsp| :placeholder:`B`:diagtext:`)`|
+------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wout-of-line-declaration -Wout-of-line-declaration
------------------------- -------------------------
This diagnostic is an error by default, but the flag ``-Wno-out-of-line-declaration`` can be used to disable the error. This diagnostic is an error by default, but the flag ``-Wno-out-of-line-declaration`` can be used to disable the error.
**Diagnostic text:** **Diagnostic text:**
+-------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------+
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| |+------------------------------+| | | |+------------------------------+| |
| ||:diagtext:`module` || | | ||:diagtext:`module` || |
| |+------------------------------+| | | |+------------------------------+| |
+---------------------------+--------------------------------+-----------------------------------------------------+ +---------------------------+--------------------------------+-----------------------------------------------------+
-Wpedantic -Wpedantic
---------- ----------
Also controls `-Wc++11-extra-semi`_, `-Wc++11-long-long`_, `-Wc++14-binary-literal`_, `-Wc11-extensions`_, `-Wcomplex-component-init`_, `-Wdeclaration-after-statement`_, `-Wdollar-in-identifier-extension`_, `-Wembedded-directive`_, `-Wempty-translation-unit`_, `-Wextended-offsetof`_, `-Wflexible-array-extensions`_, `-Wformat-pedantic`_, `-Wfour-char-constants`_, `-Wgnu-anonymous-struct`_, `-Wgnu-auto-type`_, `-Wgnu-binary-literal`_, `-Wgnu-case-range`_, `-Wgnu-complex-integer`_, `-Wgnu-compound-literal-initializer`_, `-Wgnu-conditional-omitted-operand`_, `-Wgnu-empty-initializer`_, `-Wgnu-empty-struct`_, `-Wgnu-flexible-array-initializer`_, `-Wgnu-flexible-array-union-member`_, `-Wgnu-folding-constant`_, `-Wgnu-imaginary-constant`_, `-Wgnu-include-next`_, `-Wgnu-label-as-value`_, `-Wgnu-redeclared-enum`_, `-Wgnu-statement-expression`_, `-Wgnu-union-cast`_, `-Wgnu-zero-line-directive`_, `-Wgnu-zero-variadic-macro-arguments`_, `-Wimport-preprocessor-directive-pedantic`_, `-Wkeyword-macro`_, `-Wlanguage-extension-token`_, `-Wlong-long`_, `-Wmicrosoft-charize`_, `-Wmicrosoft-comment-paste`_, `-Wmicrosoft-cpp-macro`_, `-Wmicrosoft-end-of-file`_, `-Wmicrosoft-enum-value`_, `-Wmicrosoft-fixed-enum`_, `-Wmicrosoft-flexible-array`_, `-Wmicrosoft-redeclare-static`_, `-Wnested-anon-types`_, `-Wnullability-extension`_, `-Woverlength-strings`_, `-Wretained-language-linkage`_, `-Wundefined-internal-type`_, `-Wvla-extension`_, `-Wzero-length-array`_. Also controls `-Wc++11-extra-semi`_, `-Wc++11-long-long`_, `-Wc++14-binary-literal`_, `-Wc11-extensions`_, `-Wcomplex-component-init`_, `-Wdeclaration-after-statement`_, `-Wdollar-in-identifier-extension`_, `-Wembedded-directive`_, `-Wempty-translation-unit`_, `-Wflexible-array-extensions`_, `-Wfour-char-constants`_, `-Wgnu-anonymous-struct`_, `-Wgnu-auto-type`_, `-Wgnu-binary-literal`_, `-Wgnu-case-range`_, `-Wgnu-complex-integer`_, `-Wgnu-compound-literal-initializer`_, `-Wgnu-conditional-omitted-operand`_, `-Wgnu-empty-initializer`_, `-Wgnu-empty-struct`_, `-Wgnu-flexible-array-initializer`_, `-Wgnu-flexible-array-union-member`_, `-Wgnu-folding-constant`_, `-Wgnu-imaginary-constant`_, `-Wgnu-include-next`_, `-Wgnu-label-as-value`_, `-Wgnu-redeclared-enum`_, `-Wgnu-statement-expression`_, `-Wgnu-union-cast`_, `-Wgnu-zero-line-directive`_, `-Wgnu-zero-variadic-macro-arguments`_, `-Wimport-preprocessor-directive-pedantic`_, `-Wkeyword-macro`_, `-Wlanguage-extension-token`_, `-Wlong-long`_, `-Wmicrosoft-charize`_, `-Wmicrosoft-comment-paste`_, `-Wmicrosoft-cpp-macro`_, `-Wmicrosoft-end-of-file`_, `-Wmicrosoft-enum-value`_, `-Wmicrosoft-fixed-enum`_, `-Wmicrosoft-flexible-array`_, `-Wmicrosoft-redeclare-static`_, `-Wnested-anon-types`_, `-Wnullability-extension`_, `-Woverlength-strings`_, `-Wretained-language-linkage`_, `-Wundefined-internal-type`_, `-Wvla-extension`_, `-Wzero-length-array`_.
**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------------------+ +------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'enable\_if' is a clang extension`| |:warning:`warning:` |nbsp| :diagtext:`'enable\_if' is a clang extension`|
+------------------------------------------------------------------------+ +------------------------------------------------------------------------+
+--------------------------------------------------------------------------+ +--------------------------------------------------------------------------+
Show All 19 Lines
+--------------------------------------------------------+--------------------+------------------------------------------------------------+ +--------------------------------------------------------+--------------------+------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`anonymous` |nbsp| |+------------------+| |nbsp| :diagtext:`cannot be '`:placeholder:`B`:diagtext:`'`| |:warning:`warning:` |nbsp| :diagtext:`anonymous` |nbsp| |+------------------+| |nbsp| :diagtext:`cannot be '`:placeholder:`B`:diagtext:`'`|
| ||:diagtext:`struct`|| | | ||:diagtext:`struct`|| |
| |+------------------+| | | |+------------------+| |
| ||:diagtext:`union` || | | ||:diagtext:`union` || |
| |+------------------+| | | |+------------------+| |
+--------------------------------------------------------+--------------------+------------------------------------------------------------+ +--------------------------------------------------------+--------------------+------------------------------------------------------------+
+--------------------------------------------------------------------+-----------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------+------------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`no viable constructor` |nbsp| |+---------------------------------------+| |nbsp| :diagtext:`of type` |nbsp| :placeholder:`B`:diagtext:`; C++98 requires a copy constructor when binding a reference to a temporary`| |:warning:`warning:` |nbsp| :diagtext:`no viable constructor` |nbsp| |+----------------------------------------------------+| |nbsp| :diagtext:`of type` |nbsp| :placeholder:`B`:diagtext:`; C++98 requires a copy constructor when binding a reference to a temporary`|
| ||:diagtext:`copying variable` || | | ||:diagtext:`copying variable` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`copying parameter` || | | ||:diagtext:`copying parameter` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`returning object` || | | ||:diagtext:`returning object` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`initializing statement expression result`|| |
| |+----------------------------------------------------+| |
| ||:diagtext:`throwing object` || | | ||:diagtext:`throwing object` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`copying member subobject` || | | ||:diagtext:`copying member subobject` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`copying array element` || | | ||:diagtext:`copying array element` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`allocating object` || | | ||:diagtext:`allocating object` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`copying temporary` || | | ||:diagtext:`copying temporary` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`initializing base subobject`|| | | ||:diagtext:`initializing base subobject` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`initializing vector element`|| | | ||:diagtext:`initializing vector element` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
| ||:diagtext:`capturing value` || | | ||:diagtext:`capturing value` || |
| |+---------------------------------------+| | | |+----------------------------------------------------+| |
+--------------------------------------------------------------------+-----------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------+------------------------------------------------------+------------------------------------------------------------------------------------------------------------------------------------------+
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`ISO C++ standards before C++17 do not allow new expression for type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to use list-initialization`|
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+--------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`parameter` |nbsp| :placeholder:`A` |nbsp| :diagtext:`was not declared, defaulting to type 'int'`| |:warning:`warning:` |nbsp| :diagtext:`parameter` |nbsp| :placeholder:`A` |nbsp| :diagtext:`was not declared, defaulting to type 'int'`|
+--------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------+
+--------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`invoking a pointer to a 'const &' member function on an rvalue is a C++2a extension`| |:warning:`warning:` |nbsp| :diagtext:`invoking a pointer to a 'const &' member function on an rvalue is a C++2a extension`|
+--------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------+
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+-----------------------------------------------------------------------------+--------------------+---------------------------------------------+ +-----------------------------------------------------------------------------+--------------------+---------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`types declared in an anonymous` |nbsp| |+------------------+| |nbsp| :diagtext:`are a Microsoft extension`| |:warning:`warning:` |nbsp| :diagtext:`types declared in an anonymous` |nbsp| |+------------------+| |nbsp| :diagtext:`are a Microsoft extension`|
| ||:diagtext:`struct`|| | | ||:diagtext:`struct`|| |
| |+------------------+| | | |+------------------+| |
| ||:diagtext:`union` || | | ||:diagtext:`union` || |
| |+------------------+| | | |+------------------+| |
+-----------------------------------------------------------------------------+--------------------+---------------------------------------------+ +-----------------------------------------------------------------------------+--------------------+---------------------------------------------+
+------------------------------------------------------------------------------------------------------------------------------------+-----------------------------+------------------------+
|:warning:`warning:` |nbsp| :diagtext:`format specifies type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`but the argument has` |nbsp| |+---------------------------+| |nbsp| :placeholder:`B`|
| ||:diagtext:`type` || |
| |+---------------------------+| |
| ||:diagtext:`underlying type`|| |
| |+---------------------------+| |
+------------------------------------------------------------------------------------------------------------------------------------+-----------------------------+------------------------+
+---------------------------------------------------+----------------------+-----------------------------------------------------------------------------+ +---------------------------------------------------+----------------------+-----------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`void` |nbsp| |+--------------------+| |nbsp| :placeholder:`A` |nbsp| :diagtext:`should not return void expression`| |:warning:`warning:` |nbsp| :diagtext:`void` |nbsp| |+--------------------+| |nbsp| :placeholder:`A` |nbsp| :diagtext:`should not return void expression`|
| ||:diagtext:`function`|| | | ||:diagtext:`function`|| |
| |+--------------------+| | | |+--------------------+| |
| ||:diagtext:`method` || | | ||:diagtext:`method` || |
| |+--------------------+| | | |+--------------------+| |
| ||:diagtext:`block` || | | ||:diagtext:`block` || |
| |+--------------------+| | | |+--------------------+| |
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-Wprivate-module -Wprivate-module
---------------- ----------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`top-level module '`:placeholder:`A`:diagtext:`' in private module map, expected a submodule of '`:placeholder:`B`:diagtext:`'`| |:warning:`warning:` |nbsp| :diagtext:`expected canonical name for private module '`:placeholder:`A`:diagtext:`'`|
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`private submodule '`:placeholder:`A`:diagtext:`' in private module map, expected top-level module`|
+----------------------------------------------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`module '`:placeholder:`A`:diagtext:`' already re-exported as '`:placeholder:`B`:diagtext:`'`| |:warning:`warning:` |nbsp| :diagtext:`module '`:placeholder:`A`:diagtext:`' already re-exported as '`:placeholder:`B`:diagtext:`'`|
+----------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------+
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`no submodule named` |nbsp| :placeholder:`A` |nbsp| :diagtext:`in module '`:placeholder:`B`:diagtext:`'; using top level '`:placeholder:`C`:diagtext:`'`|
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wprofile-instr-missing -Wprofile-instr-missing
----------------------- -----------------------
**Diagnostic text:** **Diagnostic text:**
+-----------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+-------------------+---------------------------+ +-----------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+------------------+---------------------------+
|:warning:`warning:` |nbsp| :diagtext:`profile data may be incomplete: of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`function`|+-------------+|:diagtext:`,` |nbsp| :placeholder:`B` |nbsp| |+-----------------+| |nbsp| :diagtext:`no data`| |:warning:`warning:` |nbsp| :diagtext:`profile data may be incomplete: of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`function`|+-------------+|:diagtext:`,` |nbsp| :placeholder:`B` |nbsp| |+----------------+| |nbsp| :diagtext:`no data`|
| || || ||:diagtext:`:has` || | | || || ||:diagtext:`has` || |
| |+-------------+| |+-----------------+| | | |+-------------+| |+----------------+| |
| ||:diagtext:`s`|| ||:diagtext:`:have`|| | | ||:diagtext:`s`|| ||:diagtext:`have`|| |
| |+-------------+| |+-----------------+| | | |+-------------+| |+----------------+| |
+-----------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+-------------------+---------------------------+ +-----------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+------------------+---------------------------+
-Wprofile-instr-out-of-date -Wprofile-instr-out-of-date
--------------------------- ---------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+-------------------+--------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+------------------+--------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`profile data may be out of date: of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`function`|+-------------+|:diagtext:`,` |nbsp| :placeholder:`B` |nbsp| |+-----------------+| |nbsp| :diagtext:`mismatched data that will be ignored`| |:warning:`warning:` |nbsp| :diagtext:`profile data may be out of date: of` |nbsp| :placeholder:`A` |nbsp| :diagtext:`function`|+-------------+|:diagtext:`,` |nbsp| :placeholder:`B` |nbsp| |+----------------+| |nbsp| :diagtext:`mismatched data that will be ignored`|
| || || ||:diagtext:`:has` || | | || || ||:diagtext:`has` || |
| |+-------------+| |+-----------------+| | | |+-------------+| |+----------------+| |
| ||:diagtext:`s`|| ||:diagtext:`:have`|| | | ||:diagtext:`s`|| ||:diagtext:`have`|| |
| |+-------------+| |+-----------------+| | | |+-------------+| |+----------------+| |
+------------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+-------------------+--------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------+---------------+---------------------------------------------+------------------+--------------------------------------------------------+
-Wprofile-instr-unprofiled -Wprofile-instr-unprofiled
-------------------------- --------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
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**Diagnostic text:** **Diagnostic text:**
+---------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`function cannot return qualified void type` |nbsp| :placeholder:`A`| |:warning:`warning:` |nbsp| :diagtext:`function cannot return qualified void type` |nbsp| :placeholder:`A`|
+---------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------+
-Wquoted-include-in-framework-header
------------------------------------
**Diagnostic text:**
+-------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`double-quoted include "`:placeholder:`A`:diagtext:`" in framework header, expected angle-bracketed instead`|
+-------------------------------------------------------------------------------------------------------------------------------------------------+
-Wrange-loop-analysis -Wrange-loop-analysis
--------------------- ---------------------
**Diagnostic text:** **Diagnostic text:**
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`loop variable` |nbsp| :placeholder:`A` |nbsp| |nbsp| :diagtext:`is initialized with a value of a different type` |nbsp| :diagtext:`resulting in a copy`| |:warning:`warning:` |nbsp| :diagtext:`loop variable` |nbsp| :placeholder:`A` |nbsp| |nbsp| :diagtext:`is initialized with a value of a different type` |nbsp| :diagtext:`resulting in a copy`|
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
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+--------------------------------------------------------+--------------------------+------------------------------------------+ +--------------------------------------------------------+--------------------------+------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`returning` |nbsp| |+------------------------+| |nbsp| :diagtext:`local temporary object`| |:warning:`warning:` |nbsp| :diagtext:`returning` |nbsp| |+------------------------+| |nbsp| :diagtext:`local temporary object`|
| ||:diagtext:`address of` || | | ||:diagtext:`address of` || |
| |+------------------------+| | | |+------------------------+| |
| ||:diagtext:`reference to`|| | | ||:diagtext:`reference to`|| |
| |+------------------------+| | | |+------------------------+| |
+--------------------------------------------------------+--------------------------+------------------------------------------+ +--------------------------------------------------------+--------------------------+------------------------------------------+
+---------------------------+--------------------------+-------------------------------------------------------------------------------------------------------------------+ +---------------------------+--------------------------+--------------------------------------------------------+----------------------------+----------------------------------------------------+
|:warning:`warning:` |nbsp| |+------------------------+| |nbsp| :diagtext:`stack memory associated with local variable` |nbsp| :placeholder:`B` |nbsp| :diagtext:`returned`| |:warning:`warning:` |nbsp| |+------------------------+| |nbsp| :diagtext:`stack memory associated with` |nbsp| |+--------------------------+| |nbsp| :placeholder:`B` |nbsp| :diagtext:`returned`|
| ||:diagtext:`address of` || | | ||:diagtext:`address of` || ||:diagtext:`local variable`|| |
| |+------------------------+| | | |+------------------------+| |+--------------------------+| |
| ||:diagtext:`reference to`|| | | ||:diagtext:`reference to`|| ||:diagtext:`parameter` || |
| |+------------------------+| | | |+------------------------+| |+--------------------------+| |
+---------------------------+--------------------------+-------------------------------------------------------------------------------------------------------------------+ +---------------------------+--------------------------+--------------------------------------------------------+----------------------------+----------------------------------------------------+
-Wreturn-std-move
-----------------
**Diagnostic text:**
+-------------------------------------------------------------------------------------------------------------------------------------+----------------------+---------------------------+
|:warning:`warning:` |nbsp| :diagtext:`local variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`will be copied despite being` |nbsp| |+--------------------+| |nbsp| :diagtext:`by name`|
| ||:diagtext:`returned`|| |
| |+--------------------+| |
| ||:diagtext:`thrown` || |
| |+--------------------+| |
+-------------------------------------------------------------------------------------------------------------------------------------+----------------------+---------------------------+
-Wreturn-std-move-in-c++11
--------------------------
**Diagnostic text:**
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`prior to the resolution of a defect report against ISO C++11, local variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`would have been copied despite being returned by name, due to its not matching the function return type`|
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wreturn-type -Wreturn-type
------------- -------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
Also controls `-Wreturn-type-c-linkage`_. Also controls `-Wreturn-type-c-linkage`_.
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|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has C-linkage specified, but returns user-defined type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`which is incompatible with C`| |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has C-linkage specified, but returns user-defined type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`which is incompatible with C`|
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has C-linkage specified, but returns incomplete type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`which could be incompatible with C`| |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`has C-linkage specified, but returns incomplete type` |nbsp| :placeholder:`B` |nbsp| :diagtext:`which could be incompatible with C`|
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wrtti-for-exceptions
---------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+--------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`implicitly enabling rtti for exception handling`|
+--------------------------------------------------------------------------------------+
-Rsanitize-address -Rsanitize-address
------------------ ------------------
**Diagnostic text:** **Diagnostic text:**
+--------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------+
|:remark:`remark:` |nbsp| :diagtext:`-fsanitize-address-field-padding applied to` |nbsp| :placeholder:`A`| |:remark:`remark:` |nbsp| :diagtext:`-fsanitize-address-field-padding applied to` |nbsp| :placeholder:`A`|
+--------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------+
Show All 23 Lines
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+--------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`section attribute is specified on redeclared variable`| |:warning:`warning:` |nbsp| :diagtext:`section attribute is specified on redeclared variable`|
+--------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------+ +------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`section does not match previous declaration`| |:warning:`warning:` |nbsp| :diagtext:`duplicate code segment specifiers`|
+----------------------------------------------------------------------------------+ +------------------------------------------------------------------------+
+---------------------------+---------------------+-------------------------------------------------------+
|:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`does not match previous declaration`|
| ||:diagtext:`codeseg`|| |
| |+-------------------+| |
| ||:diagtext:`section`|| |
| |+-------------------+| |
+---------------------------+---------------------+-------------------------------------------------------+
-Wselector -Wselector
---------- ----------
Also controls `-Wselector-type-mismatch`_. Also controls `-Wselector-type-mismatch`_.
**Diagnostic text:** **Diagnostic text:**
Show All 10 Lines
|:warning:`warning:` |nbsp| :diagtext:`several methods with selector` |nbsp| :placeholder:`A` |nbsp| :diagtext:`of mismatched types are found for the @selector expression`| |:warning:`warning:` |nbsp| :diagtext:`several methods with selector` |nbsp| :placeholder:`A` |nbsp| :diagtext:`of mismatched types are found for the @selector expression`|
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wself-assign -Wself-assign
------------- -------------
Some of the diagnostics controlled by this flag are enabled by default. Some of the diagnostics controlled by this flag are enabled by default.
Also controls `-Wself-assign-field`_. Also controls `-Wself-assign-field`_, `-Wself-assign-overloaded`_.
**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`explicitly assigning value of variable of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to itself`| |:warning:`warning:` |nbsp| :diagtext:`explicitly assigning value of variable of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to itself`|
+------------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------+
-Wself-assign-field -Wself-assign-field
------------------- -------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+--------------------------------------------------------+-------------------------------+-----------------------------+ +--------------------------------------------------------+-------------------------------+-----------------------------+
|:warning:`warning:` |nbsp| :diagtext:`assigning` |nbsp| |+-----------------------------+| |nbsp| :diagtext:`to itself`| |:warning:`warning:` |nbsp| :diagtext:`assigning` |nbsp| |+-----------------------------+| |nbsp| :diagtext:`to itself`|
| ||:diagtext:`field` || | | ||:diagtext:`field` || |
| |+-----------------------------+| | | |+-----------------------------+| |
| ||:diagtext:`instance variable`|| | | ||:diagtext:`instance variable`|| |
| |+-----------------------------+| | | |+-----------------------------+| |
+--------------------------------------------------------+-------------------------------+-----------------------------+ +--------------------------------------------------------+-------------------------------+-----------------------------+
-Wself-assign-overloaded
------------------------
**Diagnostic text:**
+------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`explicitly assigning value of variable of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to itself`|
+------------------------------------------------------------------------------------------------------------------------------------------+
-Wself-move -Wself-move
----------- -----------
**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`explicitly moving variable of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to itself`| |:warning:`warning:` |nbsp| :diagtext:`explicitly moving variable of type` |nbsp| :placeholder:`A` |nbsp| :diagtext:`to itself`|
+------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------+
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Controls `-Wshadow`_, `-Wshadow-field`_, `-Wshadow-field-in-constructor`_, `-Wshadow-uncaptured-local`_. Controls `-Wshadow`_, `-Wshadow-field`_, `-Wshadow-field-in-constructor`_, `-Wshadow-uncaptured-local`_.
-Wshadow-field -Wshadow-field
-------------- --------------
**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`non-static data member '`:placeholder:`A`:diagtext:`' of '`:placeholder:`B`:diagtext:`' shadows member inherited from type '`:placeholder:`C`:diagtext:`'`| |:warning:`warning:` |nbsp| :diagtext:`non-static data member` |nbsp| :placeholder:`A` |nbsp| :diagtext:`of` |nbsp| :placeholder:`B` |nbsp| :diagtext:`shadows member inherited from type` |nbsp| :placeholder:`C`|
+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wshadow-field-in-constructor -Wshadow-field-in-constructor
----------------------------- -----------------------------
Also controls `-Wshadow-field-in-constructor-modified`_. Also controls `-Wshadow-field-in-constructor-modified`_.
**Diagnostic text:** **Diagnostic text:**
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**Diagnostic text:** **Diagnostic text:**
+----------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`static variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is suspiciously used within its own initialization`| |:warning:`warning:` |nbsp| :diagtext:`static variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`is suspiciously used within its own initialization`|
+----------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------+
-Wstdlibcxx-not-found
---------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`include path for stdlibc++ headers not found; pass '-std=libc++' on the command line to use the libc++ standard library instead`|
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wstrict-aliasing -Wstrict-aliasing
----------------- -----------------
This diagnostic flag exists for GCC compatibility, and has no effect in Clang. This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
-Wstrict-aliasing=0 -Wstrict-aliasing=0
------------------- -------------------
This diagnostic flag exists for GCC compatibility, and has no effect in Clang. This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
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----------------------------- -----------------------------
**Diagnostic text:** **Diagnostic text:**
+--------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`method parameter type` |nbsp| :diagtext:`does not match super class method parameter type`| |:warning:`warning:` |nbsp| :diagtext:`method parameter type` |nbsp| :diagtext:`does not match super class method parameter type`|
+--------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------+
-Wsuspicious-bzero
------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+----------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`'size' argument to bzero is '0'`|
+----------------------------------------------------------------------+
-Wsuspicious-memaccess
----------------------
This diagnostic is enabled by default.
Controls `-Wdynamic-class-memaccess`_, `-Wmemset-transposed-args`_, `-Wnontrivial-memaccess`_, `-Wsizeof-pointer-memaccess`_, `-Wsuspicious-bzero`_.
-Wswitch -Wswitch
-------- --------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`overflow converting case value to switch condition type (`:placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`:diagtext:`)`| |:warning:`warning:` |nbsp| :diagtext:`overflow converting case value to switch condition type (`:placeholder:`A` |nbsp| :diagtext:`to` |nbsp| :placeholder:`B`:diagtext:`)`|
+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+---------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| |+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+| |:warning:`warning:` |nbsp| |+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
| ||+-----------------------------------------------------------------------------------------------+ || | ||+----------------------------------------------------------------------------------------------+ ||
| |||:diagtext:`:enumeration value` |nbsp| :placeholder:`B` |nbsp| :diagtext:`not handled in switch`| || | |||:diagtext:`enumeration value` |nbsp| :placeholder:`B` |nbsp| :diagtext:`not handled in switch`| ||
| ||+-----------------------------------------------------------------------------------------------+ || | ||+----------------------------------------------------------------------------------------------+ ||
| |+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+| | |+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
| ||+-----------------------------------------------------------------------------------------------------------------------------------------------+ || | ||+----------------------------------------------------------------------------------------------------------------------------------------------+ ||
| |||:diagtext:`:enumeration values` |nbsp| :placeholder:`B` |nbsp| :diagtext:`and` |nbsp| :placeholder:`C` |nbsp| :diagtext:`not handled in switch`| || | |||:diagtext:`enumeration values` |nbsp| :placeholder:`B` |nbsp| :diagtext:`and` |nbsp| :placeholder:`C` |nbsp| :diagtext:`not handled in switch`| ||
| ||+-----------------------------------------------------------------------------------------------------------------------------------------------+ || | ||+----------------------------------------------------------------------------------------------------------------------------------------------+ ||
| |+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+| | |+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
| ||+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ || | ||+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ ||
| |||:diagtext:`:enumeration values` |nbsp| :placeholder:`B`:diagtext:`,` |nbsp| :placeholder:`C`:diagtext:`, and` |nbsp| :placeholder:`D` |nbsp| :diagtext:`not handled in switch`| || | |||:diagtext:`enumeration values` |nbsp| :placeholder:`B`:diagtext:`,` |nbsp| :placeholder:`C`:diagtext:`, and` |nbsp| :placeholder:`D` |nbsp| :diagtext:`not handled in switch`| ||
| ||+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ || | ||+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ ||
| |+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+| | |+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
| ||+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|| | ||+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+||
| |||:diagtext:`:`:placeholder:`A` |nbsp| :diagtext:`enumeration values not handled in switch:` |nbsp| :placeholder:`B`:diagtext:`,` |nbsp| :placeholder:`C`:diagtext:`,` |nbsp| :placeholder:`D`:diagtext:`...`||| | |||:placeholder:`A` |nbsp| :diagtext:`enumeration values not handled in switch:` |nbsp| :placeholder:`B`:diagtext:`,` |nbsp| :placeholder:`C`:diagtext:`,` |nbsp| :placeholder:`D`:diagtext:`...`|||
| ||+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|| | ||+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+||
| |+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+| | |+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
+---------------------------+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`case value not in enumerated type` |nbsp| :placeholder:`A`| |:warning:`warning:` |nbsp| :diagtext:`case value not in enumerated type` |nbsp| :placeholder:`A`|
+------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------+
-Wswitch-bool -Wswitch-bool
------------- -------------
Show All 9 Lines
-Wswitch-default -Wswitch-default
---------------- ----------------
This diagnostic flag exists for GCC compatibility, and has no effect in Clang. This diagnostic flag exists for GCC compatibility, and has no effect in Clang.
-Wswitch-enum -Wswitch-enum
------------- -------------
**Diagnostic text:** **Diagnostic text:**
+---------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| |+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+| |:warning:`warning:` |nbsp| |+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
| ||+----------------------------------------------------------------------------------------------------------+ || | ||+---------------------------------------------------------------------------------------------------------+ ||
| |||:diagtext:`:enumeration value` |nbsp| :placeholder:`B` |nbsp| :diagtext:`not explicitly handled in switch`| || | |||:diagtext:`enumeration value` |nbsp| :placeholder:`B` |nbsp| :diagtext:`not explicitly handled in switch`| ||
| ||+----------------------------------------------------------------------------------------------------------+ || | ||+---------------------------------------------------------------------------------------------------------+ ||
| |+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+| | |+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
| ||+----------------------------------------------------------------------------------------------------------------------------------------------------------+ || | ||+---------------------------------------------------------------------------------------------------------------------------------------------------------+ ||
| |||:diagtext:`:enumeration values` |nbsp| :placeholder:`B` |nbsp| :diagtext:`and` |nbsp| :placeholder:`C` |nbsp| :diagtext:`not explicitly handled in switch`| || | |||:diagtext:`enumeration values` |nbsp| :placeholder:`B` |nbsp| :diagtext:`and` |nbsp| :placeholder:`C` |nbsp| :diagtext:`not explicitly handled in switch`| ||
| ||+----------------------------------------------------------------------------------------------------------------------------------------------------------+ || | ||+---------------------------------------------------------------------------------------------------------------------------------------------------------+ ||
| |+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+| | |+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
| ||+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ || | ||+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ ||
| |||:diagtext:`:enumeration values` |nbsp| :placeholder:`B`:diagtext:`,` |nbsp| :placeholder:`C`:diagtext:`, and` |nbsp| :placeholder:`D` |nbsp| :diagtext:`not explicitly handled in switch`| || | |||:diagtext:`enumeration values` |nbsp| :placeholder:`B`:diagtext:`,` |nbsp| :placeholder:`C`:diagtext:`, and` |nbsp| :placeholder:`D` |nbsp| :diagtext:`not explicitly handled in switch`| ||
| ||+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ || | ||+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ ||
| |+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+| | |+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
| ||+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|| | ||+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+||
| |||:diagtext:`:`:placeholder:`A` |nbsp| :diagtext:`enumeration values not explicitly handled in switch:` |nbsp| :placeholder:`B`:diagtext:`,` |nbsp| :placeholder:`C`:diagtext:`,` |nbsp| :placeholder:`D`:diagtext:`...`||| | |||:placeholder:`A` |nbsp| :diagtext:`enumeration values not explicitly handled in switch:` |nbsp| :placeholder:`B`:diagtext:`,` |nbsp| :placeholder:`C`:diagtext:`,` |nbsp| :placeholder:`D`:diagtext:`...`|||
| ||+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|| | ||+---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+||
| |+------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+| | |+-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+|
+---------------------------+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +---------------------------+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wsync-fetch-and-nand-semantics-changed -Wsync-fetch-and-nand-semantics-changed
--------------------------------------- ---------------------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
Show All 11 Lines
Some of the diagnostics controlled by this flag are enabled by default. Some of the diagnostics controlled by this flag are enabled by default.
Also controls `-Wtautological-constant-compare`_, `-Wtautological-overlap-compare`_, `-Wtautological-pointer-compare`_, `-Wtautological-undefined-compare`_. Also controls `-Wtautological-constant-compare`_, `-Wtautological-overlap-compare`_, `-Wtautological-pointer-compare`_, `-Wtautological-undefined-compare`_.
**Diagnostic text:** **Diagnostic text:**
+---------------------------+---------------------------+--------------------------------------------------+------------------------+ +---------------------------+---------------------------+--------------------------------------------------+------------------------+
|:warning:`warning:` |nbsp| |+-------------------------+|:diagtext:`comparison always evaluates to` |nbsp| |+----------------------+| |:warning:`warning:` |nbsp| |+-------------------------+|:diagtext:`comparison always evaluates to` |nbsp| |+----------------------+|
| ||:diagtext:`self-` || ||:diagtext:`false` || | ||:diagtext:`self-` || ||:diagtext:`a constant`||
| |+-------------------------+| |+----------------------+| | |+-------------------------+| |+----------------------+|
| ||:diagtext:`array` |nbsp| || ||:diagtext:`true` || | ||:diagtext:`array` |nbsp| || ||:placeholder:`C` ||
| |+-------------------------+| |+----------------------+| | |+-------------------------+| |+----------------------+|
| | | ||:diagtext:`a constant`||
| | | |+----------------------+|
+---------------------------+---------------------------+--------------------------------------------------+------------------------+ +---------------------------+---------------------------+--------------------------------------------------+------------------------+
+-------------------------------------------------------------------------------------+-------------------+ +-------------------------------------------------------------------------------------+-------------------+
|:warning:`warning:` |nbsp| :diagtext:`bitwise comparison always evaluates to` |nbsp| |+-----------------+| |:warning:`warning:` |nbsp| :diagtext:`bitwise comparison always evaluates to` |nbsp| |+-----------------+|
| ||:diagtext:`false`|| | ||:diagtext:`false`||
| |+-----------------+| | |+-----------------+|
| ||:diagtext:`true` || | ||:diagtext:`true` ||
| |+-----------------+| | |+-----------------+|
+-------------------------------------------------------------------------------------+-------------------+ +-------------------------------------------------------------------------------------+-------------------+
-Wtautological-constant-compare -Wtautological-constant-compare
------------------------------- -------------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
Also controls `-Wtautological-constant-out-of-range-compare`_, `-Wtautological-unsigned-enum-zero-compare`_, `-Wtautological-unsigned-zero-compare`_. Also controls `-Wtautological-constant-out-of-range-compare`_.
**Diagnostic text:** **Diagnostic text:**
+---------------------------------------------------------+------------------+--------------------------------+------------------+-------------------------------------+-------------------+ +----------------------------------------------------------------------+------------------------------------------------+--------------------------------+----------------------------------------------------------+-----------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`comparison` |nbsp| |+----------------+| |nbsp| :placeholder:`C` |nbsp| |+----------------+| |nbsp| :diagtext:`is always` |nbsp| |+-----------------+| |:warning:`warning:` |nbsp| :diagtext:`result of comparison of` |nbsp| |+----------------------------------------------+| |nbsp| :diagtext:`with` |nbsp| |+--------------------------------------------------------+| |nbsp| :diagtext:`is always` |nbsp| :placeholder:`E`|
| ||:placeholder:`D`|| ||:placeholder:`B`|| ||:diagtext:`false`|| | ||+--------------------------------------------+|| ||+------------------------------------------------------+|| |
| |+----------------+| |+----------------+| |+-----------------+| | |||:diagtext:`constant` |nbsp| :placeholder:`A`||| |||:diagtext:`expression of type` |nbsp| :placeholder:`C`||| |
| ||:placeholder:`B`|| ||:placeholder:`D`|| ||:diagtext:`true` || | ||+--------------------------------------------+|| ||+------------------------------------------------------+|| |
| |+----------------+| |+----------------+| |+-----------------+| | |+----------------------------------------------+| |+--------------------------------------------------------+| |
+---------------------------------------------------------+------------------+--------------------------------+------------------+-------------------------------------+-------------------+ | ||:diagtext:`true` || ||:diagtext:`boolean expression` || |
| |+----------------------------------------------+| |+--------------------------------------------------------+| |
| ||:diagtext:`false` || | | |
| |+----------------------------------------------+| | | |
+----------------------------------------------------------------------+------------------------------------------------+--------------------------------+----------------------------------------------------------+-----------------------------------------------------+
-Wtautological-constant-in-range-compare
----------------------------------------
Controls `-Wtautological-type-limit-compare`_, `-Wtautological-unsigned-enum-zero-compare`_, `-Wtautological-unsigned-zero-compare`_.
-Wtautological-constant-out-of-range-compare -Wtautological-constant-out-of-range-compare
-------------------------------------------- --------------------------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------+------------------------------------------------+--------------------------------+----------------------------------------------------------+-------------------------------------+-------------------+ +----------------------------------------------------------------------+------------------------------------------------+--------------------------------+----------------------------------------------------------+-----------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`comparison of` |nbsp| |+----------------------------------------------+| |nbsp| :diagtext:`with` |nbsp| |+--------------------------------------------------------+| |nbsp| :diagtext:`is always` |nbsp| |+-----------------+| |:warning:`warning:` |nbsp| :diagtext:`result of comparison of` |nbsp| |+----------------------------------------------+| |nbsp| :diagtext:`with` |nbsp| |+--------------------------------------------------------+| |nbsp| :diagtext:`is always` |nbsp| :placeholder:`E`|
| ||+--------------------------------------------+|| ||+------------------------------------------------------+|| ||:diagtext:`false`|| | ||+--------------------------------------------+|| ||+------------------------------------------------------+|| |
| |||:diagtext:`constant` |nbsp| :placeholder:`A`||| |||:diagtext:`expression of type` |nbsp| :placeholder:`C`||| |+-----------------+| | |||:diagtext:`constant` |nbsp| :placeholder:`A`||| |||:diagtext:`expression of type` |nbsp| :placeholder:`C`||| |
| ||+--------------------------------------------+|| ||+------------------------------------------------------+|| ||:diagtext:`true` || | ||+--------------------------------------------+|| ||+------------------------------------------------------+|| |
| |+----------------------------------------------+| |+--------------------------------------------------------+| |+-----------------+| | |+----------------------------------------------+| |+--------------------------------------------------------+| |
| ||:diagtext:`true` || ||:diagtext:`boolean expression` || | | | ||:diagtext:`true` || ||:diagtext:`boolean expression` || |
| |+----------------------------------------------+| |+--------------------------------------------------------+| | | | |+----------------------------------------------+| |+--------------------------------------------------------+| |
| ||:diagtext:`false` || | | | | | ||:diagtext:`false` || | | |
| |+----------------------------------------------+| | | | | | |+----------------------------------------------+| | | |
+------------------------------------------------------------+------------------------------------------------+--------------------------------+----------------------------------------------------------+-------------------------------------+-------------------+ +----------------------------------------------------------------------+------------------------------------------------+--------------------------------+----------------------------------------------------------+-----------------------------------------------------+
-Wtautological-overlap-compare -Wtautological-overlap-compare
------------------------------ ------------------------------
**Diagnostic text:** **Diagnostic text:**
+-----------------------------------------------------------------------------------------+-------------------+ +-----------------------------------------------------------------------------------------+-------------------+
|:warning:`warning:` |nbsp| :diagtext:`overlapping comparisons always evaluate to` |nbsp| |+-----------------+| |:warning:`warning:` |nbsp| :diagtext:`overlapping comparisons always evaluate to` |nbsp| |+-----------------+|
Show All 24 Lines
| |+----------------------+| |+-----------------------+| |+-----------------+| | |+----------------------+| |+-----------------------+| |+-----------------+|
| ||:diagtext:`function` || || || ||:diagtext:`false`|| | ||:diagtext:`function` || || || ||:diagtext:`false`||
| |+----------------------+| |+-----------------------+| |+-----------------+| | |+----------------------+| |+-----------------------+| |+-----------------+|
| ||:diagtext:`array` || | | | | | ||:diagtext:`array` || | | | |
| |+----------------------+| | | | | | |+----------------------+| | | | |
+------------------------------------------------------------+------------------------+----------------------------------------------------------+-------------------------+-----------------------------------------------------+-------------------+ +------------------------------------------------------------+------------------------+----------------------------------------------------------+-------------------------+-----------------------------------------------------+-------------------+
-Wtautological-type-limit-compare
---------------------------------
**Diagnostic text:**
+-------------------------------------------------------------------+------------------+--------------------------------+------------------+-----------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`result of comparison` |nbsp| |+----------------+| |nbsp| :placeholder:`C` |nbsp| |+----------------+| |nbsp| :diagtext:`is always` |nbsp| :placeholder:`E`|
| ||:placeholder:`D`|| ||:placeholder:`B`|| |
| |+----------------+| |+----------------+| |
| ||:placeholder:`B`|| ||:placeholder:`D`|| |
| |+----------------+| |+----------------+| |
+-------------------------------------------------------------------+------------------+--------------------------------+------------------+-----------------------------------------------------+
-Wtautological-undefined-compare -Wtautological-undefined-compare
-------------------------------- --------------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------+
|:warning:`warning:` |nbsp| :diagtext:`reference cannot be bound to dereferenced null pointer in well-defined C++ code; comparison may be assumed to always evaluate to` |nbsp| |+-----------------+| |:warning:`warning:` |nbsp| :diagtext:`reference cannot be bound to dereferenced null pointer in well-defined C++ code; comparison may be assumed to always evaluate to` |nbsp| |+-----------------+|
Show All 9 Lines
| |+-----------------+| | |+-----------------+|
| ||:diagtext:`false`|| | ||:diagtext:`false`||
| |+-----------------+| | |+-----------------+|
+------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------+ +------------------------------------------------------------------------------------------------------------------------------------------------------+-------------------+
-Wtautological-unsigned-enum-zero-compare -Wtautological-unsigned-enum-zero-compare
----------------------------------------- -----------------------------------------
This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------+--------------------------------------+--------------------------------+--------------------------------------+-------------------------------------+-------------------+ +----------------------------------------------------------------------+--------------------------------------+--------------------------------+--------------------------------------+-----------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`comparison of` |nbsp| |+------------------------------------+| |nbsp| :placeholder:`C` |nbsp| |+------------------------------------+| |nbsp| :diagtext:`is always` |nbsp| |+-----------------+| |:warning:`warning:` |nbsp| :diagtext:`result of comparison of` |nbsp| |+------------------------------------+| |nbsp| :placeholder:`C` |nbsp| |+------------------------------------+| |nbsp| :diagtext:`is always` |nbsp| :placeholder:`E`|
| ||:placeholder:`D` || ||:diagtext:`unsigned enum expression`|| ||:diagtext:`false`|| | ||:placeholder:`D` || ||:diagtext:`unsigned enum expression`|| |
| |+------------------------------------+| |+------------------------------------+| |+-----------------+| | |+------------------------------------+| |+------------------------------------+| |
| ||:diagtext:`unsigned enum expression`|| ||:placeholder:`D` || ||:diagtext:`true` || | ||:diagtext:`unsigned enum expression`|| ||:placeholder:`D` || |
| |+------------------------------------+| |+------------------------------------+| |+-----------------+| | |+------------------------------------+| |+------------------------------------+| |
+------------------------------------------------------------+--------------------------------------+--------------------------------+--------------------------------------+-------------------------------------+-------------------+ +----------------------------------------------------------------------+--------------------------------------+--------------------------------+--------------------------------------+-----------------------------------------------------+
-Wtautological-unsigned-zero-compare -Wtautological-unsigned-zero-compare
------------------------------------ ------------------------------------
This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------+---------------------------------+--------------------------------+---------------------------------+-------------------------------------+-------------------+ +----------------------------------------------------------------------+---------------------------------+--------------------------------+---------------------------------+-----------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`comparison of` |nbsp| |+-------------------------------+| |nbsp| :placeholder:`C` |nbsp| |+-------------------------------+| |nbsp| :diagtext:`is always` |nbsp| |+-----------------+| |:warning:`warning:` |nbsp| :diagtext:`result of comparison of` |nbsp| |+-------------------------------+| |nbsp| :placeholder:`C` |nbsp| |+-------------------------------+| |nbsp| :diagtext:`is always` |nbsp| :placeholder:`E`|
| ||:placeholder:`D` || ||:diagtext:`unsigned expression`|| ||:diagtext:`false`|| | ||:placeholder:`D` || ||:diagtext:`unsigned expression`|| |
| |+-------------------------------+| |+-------------------------------+| |+-----------------+| | |+-------------------------------+| |+-------------------------------+| |
| ||:diagtext:`unsigned expression`|| ||:placeholder:`D` || ||:diagtext:`true` || | ||:diagtext:`unsigned expression`|| ||:placeholder:`D` || |
| |+-------------------------------+| |+-------------------------------+| |+-----------------+| | |+-------------------------------+| |+-------------------------------+| |
+------------------------------------------------------------+---------------------------------+--------------------------------+---------------------------------+-------------------------------------+-------------------+ +----------------------------------------------------------------------+---------------------------------+--------------------------------+---------------------------------+-----------------------------------------------------+
-Wtentative-definition-incomplete-type -Wtentative-definition-incomplete-type
-------------------------------------- --------------------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
Show All 34 Lines
+------------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`expecting` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' to be held at the end of function`| |:warning:`warning:` |nbsp| :diagtext:`expecting` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' to be held at the end of function`|
+------------------------------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------------------------------+
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`cannot call function '`:placeholder:`B`:diagtext:`' while` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`C`:diagtext:`' is held`| |:warning:`warning:` |nbsp| :diagtext:`cannot call function '`:placeholder:`B`:diagtext:`' while` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`C`:diagtext:`' is held`|
+----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
+---------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`calling function '`:placeholder:`B`:diagtext:`' requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+| |:warning:`warning:` |nbsp| :diagtext:`calling function` |nbsp| :placeholder:`B` |nbsp| :diagtext:`requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+|
| ||+------------------------------------------+ || | ||+------------------------------------------+ ||
| |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| || | |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| ||
| ||+------------------------------------------+ || | ||+------------------------------------------+ ||
| |+--------------------------------------------------------+| | |+--------------------------------------------------------+|
| ||+------------------------------------------------------+|| | ||+------------------------------------------------------+||
| |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`||| | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`|||
| ||+------------------------------------------------------+|| | ||+------------------------------------------------------+||
| |+--------------------------------------------------------+| | |+--------------------------------------------------------+|
+---------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
+--------------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' is acquired exclusively and shared in the same scope`| |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' is acquired exclusively and shared in the same scope`|
+--------------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------+
+------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' is not held on every path through here`| |:warning:`warning:` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' is not held on every path through here`|
+------------------------------------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------------------------------------+
Show All 9 Lines
+----------------------------------------------------------------------------------------------------------------------------------------+-----------------------+--------------------------------------------+-----------------------+--------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------+-----------------------+--------------------------------------------+-----------------------+--------------------------+
|:warning:`warning:` |nbsp| :diagtext:`releasing` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' using` |nbsp| |+---------------------+| |nbsp| :diagtext:`access, expected` |nbsp| |+---------------------+| |nbsp| :diagtext:`access`| |:warning:`warning:` |nbsp| :diagtext:`releasing` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' using` |nbsp| |+---------------------+| |nbsp| :diagtext:`access, expected` |nbsp| |+---------------------+| |nbsp| :diagtext:`access`|
| ||:diagtext:`shared` || ||:diagtext:`shared` || | | ||:diagtext:`shared` || ||:diagtext:`shared` || |
| |+---------------------+| |+---------------------+| | | |+---------------------+| |+---------------------+| |
| ||:diagtext:`exclusive`|| ||:diagtext:`exclusive`|| | | ||:diagtext:`exclusive`|| ||:diagtext:`exclusive`|| |
| |+---------------------+| |+---------------------+| | | |+---------------------+| |+---------------------+| |
+----------------------------------------------------------------------------------------------------------------------------------------+-----------------------+--------------------------------------------+-----------------------+--------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------+-----------------------+--------------------------------------------+-----------------------+--------------------------+
+---------------------------+---------------------+---------------------------------------------------------------------------------------------------+-----------------------------------+ +---------------------------+---------------------+---------------------------------------------------------------------------------------------------------------+-----------------------------------+
|:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`the value pointed to by '`:placeholder:`A`:diagtext:`' requires holding` |nbsp| |+---------------------------------+| |:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`the value pointed to by` |nbsp| :placeholder:`A` |nbsp| :diagtext:`requires holding` |nbsp| |+---------------------------------+|
| ||:diagtext:`reading`|| ||:diagtext:`any mutex` || | ||:diagtext:`reading`|| ||:diagtext:`any mutex` ||
| |+-------------------+| |+---------------------------------+| | |+-------------------+| |+---------------------------------+|
| ||:diagtext:`writing`|| ||:diagtext:`any mutex exclusively`|| | ||:diagtext:`writing`|| ||:diagtext:`any mutex exclusively`||
| |+-------------------+| |+---------------------------------+| | |+-------------------+| |+---------------------------------+|
+---------------------------+---------------------+---------------------------------------------------------------------------------------------------+-----------------------------------+ +---------------------------+---------------------+---------------------------------------------------------------------------------------------------------------+-----------------------------------+
+---------------------------+---------------------+---------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+ +---------------------------+---------------------+---------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
|:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`the value pointed to by '`:placeholder:`B`:diagtext:`' requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+| |:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`the value pointed to by` |nbsp| :placeholder:`B` |nbsp| :diagtext:`requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+|
| ||:diagtext:`reading`|| ||+------------------------------------------+ || | ||:diagtext:`reading`|| ||+------------------------------------------+ ||
| |+-------------------+| |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| || | |+-------------------+| |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| ||
| ||:diagtext:`writing`|| ||+------------------------------------------+ || | ||:diagtext:`writing`|| ||+------------------------------------------+ ||
| |+-------------------+| |+--------------------------------------------------------+| | |+-------------------+| |+--------------------------------------------------------+|
| | | ||+------------------------------------------------------+|| | | | ||+------------------------------------------------------+||
| | | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`||| | | | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`|||
| | | ||+------------------------------------------------------+|| | | | ||+------------------------------------------------------+||
| | | |+--------------------------------------------------------+| | | | |+--------------------------------------------------------+|
+---------------------------+---------------------+---------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+ +---------------------------+---------------------+---------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
+---------------------------+---------------------+------------------------------------------------------------------------------------+-----------------------------------+ +---------------------------+---------------------+------------------------------------------------------------------------------------------------+-----------------------------------+
|:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`variable '`:placeholder:`A`:diagtext:`' requires holding` |nbsp| |+---------------------------------+| |:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`variable` |nbsp| :placeholder:`A` |nbsp| :diagtext:`requires holding` |nbsp| |+---------------------------------+|
| ||:diagtext:`reading`|| ||:diagtext:`any mutex` || | ||:diagtext:`reading`|| ||:diagtext:`any mutex` ||
| |+-------------------+| |+---------------------------------+| | |+-------------------+| |+---------------------------------+|
| ||:diagtext:`writing`|| ||:diagtext:`any mutex exclusively`|| | ||:diagtext:`writing`|| ||:diagtext:`any mutex exclusively`||
| |+-------------------+| |+---------------------------------+| | |+-------------------+| |+---------------------------------+|
+---------------------------+---------------------+------------------------------------------------------------------------------------+-----------------------------------+ +---------------------------+---------------------+------------------------------------------------------------------------------------------------+-----------------------------------+
+---------------------------+---------------------+------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+ +---------------------------+---------------------+------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
|:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`variable '`:placeholder:`B`:diagtext:`' requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+| |:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`variable` |nbsp| :placeholder:`B` |nbsp| :diagtext:`requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+|
| ||:diagtext:`reading`|| ||+------------------------------------------+ || | ||:diagtext:`reading`|| ||+------------------------------------------+ ||
| |+-------------------+| |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| || | |+-------------------+| |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| ||
| ||:diagtext:`writing`|| ||+------------------------------------------+ || | ||:diagtext:`writing`|| ||+------------------------------------------+ ||
| |+-------------------+| |+--------------------------------------------------------+| | |+-------------------+| |+--------------------------------------------------------+|
| | | ||+------------------------------------------------------+|| | | | ||+------------------------------------------------------+||
| | | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`||| | | | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`|||
| | | ||+------------------------------------------------------+|| | | | ||+------------------------------------------------------+||
| | | |+--------------------------------------------------------+| | | | |+--------------------------------------------------------+|
+---------------------------+---------------------+------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+ +---------------------------+---------------------+------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
-Wthread-safety-attributes -Wthread-safety-attributes
-------------------------- --------------------------
**Diagnostic text:** **Diagnostic text:**
+----------------------------------------------------------------------------------------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`invalid capability name '`:placeholder:`A`:diagtext:`'; capability name must be 'mutex' or 'role'`| |:warning:`warning:` |nbsp| :diagtext:`invalid capability name '`:placeholder:`A`:diagtext:`'; capability name must be 'mutex' or 'role'`|
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|:warning:`warning:` |nbsp| :diagtext:`acquiring` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' requires negative capability '`:placeholder:`C`:diagtext:`'`| |:warning:`warning:` |nbsp| :diagtext:`acquiring` |nbsp| :placeholder:`A` |nbsp| :diagtext:`'`:placeholder:`B`:diagtext:`' requires negative capability '`:placeholder:`C`:diagtext:`'`|
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wthread-safety-precise -Wthread-safety-precise
----------------------- -----------------------
**Diagnostic text:** **Diagnostic text:**
+---------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`calling function '`:placeholder:`B`:diagtext:`' requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+| |:warning:`warning:` |nbsp| :diagtext:`calling function` |nbsp| :placeholder:`B` |nbsp| :diagtext:`requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+|
| ||+------------------------------------------+ || | ||+------------------------------------------+ ||
| |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| || | |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| ||
| ||+------------------------------------------+ || | ||+------------------------------------------+ ||
| |+--------------------------------------------------------+| | |+--------------------------------------------------------+|
| ||+------------------------------------------------------+|| | ||+------------------------------------------------------+||
| |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`||| | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`|||
| ||+------------------------------------------------------+|| | ||+------------------------------------------------------+||
| |+--------------------------------------------------------+| | |+--------------------------------------------------------+|
+---------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+ +---------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
+---------------------------+---------------------+---------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+ +---------------------------+---------------------+---------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
|:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`the value pointed to by '`:placeholder:`B`:diagtext:`' requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+| |:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`the value pointed to by` |nbsp| :placeholder:`B` |nbsp| :diagtext:`requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+|
| ||:diagtext:`reading`|| ||+------------------------------------------+ || | ||:diagtext:`reading`|| ||+------------------------------------------+ ||
| |+-------------------+| |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| || | |+-------------------+| |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| ||
| ||:diagtext:`writing`|| ||+------------------------------------------+ || | ||:diagtext:`writing`|| ||+------------------------------------------+ ||
| |+-------------------+| |+--------------------------------------------------------+| | |+-------------------+| |+--------------------------------------------------------+|
| | | ||+------------------------------------------------------+|| | | | ||+------------------------------------------------------+||
| | | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`||| | | | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`|||
| | | ||+------------------------------------------------------+|| | | | ||+------------------------------------------------------+||
| | | |+--------------------------------------------------------+| | | | |+--------------------------------------------------------+|
+---------------------------+---------------------+---------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+ +---------------------------+---------------------+---------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
+---------------------------+---------------------+------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+ +---------------------------+---------------------+------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
|:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`variable '`:placeholder:`B`:diagtext:`' requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+| |:warning:`warning:` |nbsp| |+-------------------+| |nbsp| :diagtext:`variable` |nbsp| :placeholder:`B` |nbsp| :diagtext:`requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+|
| ||:diagtext:`reading`|| ||+------------------------------------------+ || | ||:diagtext:`reading`|| ||+------------------------------------------+ ||
| |+-------------------+| |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| || | |+-------------------+| |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| ||
| ||:diagtext:`writing`|| ||+------------------------------------------+ || | ||:diagtext:`writing`|| ||+------------------------------------------+ ||
| |+-------------------+| |+--------------------------------------------------------+| | |+-------------------+| |+--------------------------------------------------------+|
| | | ||+------------------------------------------------------+|| | | | ||+------------------------------------------------------+||
| | | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`||| | | | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`|||
| | | ||+------------------------------------------------------+|| | | | ||+------------------------------------------------------+||
| | | |+--------------------------------------------------------+| | | | |+--------------------------------------------------------+|
+---------------------------+---------------------+------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+ +---------------------------+---------------------+------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
-Wthread-safety-reference -Wthread-safety-reference
------------------------- -------------------------
**Diagnostic text:** **Diagnostic text:**
+----------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`passing variable '`:placeholder:`B`:diagtext:`' by reference requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+| |:warning:`warning:` |nbsp| :diagtext:`passing variable` |nbsp| :placeholder:`B` |nbsp| :diagtext:`by reference requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+|
| ||+------------------------------------------+ || | ||+------------------------------------------+ ||
| |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| || | |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| ||
| ||+------------------------------------------+ || | ||+------------------------------------------+ ||
| |+--------------------------------------------------------+| | |+--------------------------------------------------------+|
| ||+------------------------------------------------------+|| | ||+------------------------------------------------------+||
| |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`||| | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`|||
| ||+------------------------------------------------------+|| | ||+------------------------------------------------------+||
| |+--------------------------------------------------------+| | |+--------------------------------------------------------+|
+----------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+ +----------------------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`passing the value that '`:placeholder:`B`:diagtext:`' points to by reference requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+| |:warning:`warning:` |nbsp| :diagtext:`passing the value that` |nbsp| :placeholder:`B` |nbsp| :diagtext:`points to by reference requires holding` |nbsp| :placeholder:`A` |nbsp| |+--------------------------------------------------------+|
| ||+------------------------------------------+ || | ||+------------------------------------------+ ||
| |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| || | |||:diagtext:`'`:placeholder:`C`:diagtext:`'`| ||
| ||+------------------------------------------+ || | ||+------------------------------------------+ ||
| |+--------------------------------------------------------+| | |+--------------------------------------------------------+|
| ||+------------------------------------------------------+|| | ||+------------------------------------------------------+||
| |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`||| | |||:diagtext:`'`:placeholder:`C`:diagtext:`' exclusively`|||
| ||+------------------------------------------------------+|| | ||+------------------------------------------------------+||
| |+--------------------------------------------------------+| | |+--------------------------------------------------------+|
+--------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+----------------------------------------------------------+
-Wthread-safety-verbose -Wthread-safety-verbose
----------------------- -----------------------
**Diagnostic text:** **Diagnostic text:**
+---------------------------------------------------------------------+ +---------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`Thread safety verbose warning.`| |:warning:`warning:` |nbsp| :diagtext:`Thread safety verbose warning.`|
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|:warning:`warning:` |nbsp| :diagtext:`universal character names are only valid in C99 or C++; treating as '\\' followed by identifier`| |:warning:`warning:` |nbsp| :diagtext:`universal character names are only valid in C99 or C++; treating as '\\' followed by identifier`|
+--------------------------------------------------------------------------------------------------------------------------------------+ +--------------------------------------------------------------------------------------------------------------------------------------+
+---------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`universal character names are only valid in C99 or C++`| |:warning:`warning:` |nbsp| :diagtext:`universal character names are only valid in C99 or C++`|
+---------------------------------------------------------------------------------------------+ +---------------------------------------------------------------------------------------------+
-Wunicode-homoglyph
-------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`treating Unicode character <U+`:placeholder:`A`:diagtext:`> as identifier character rather than as '`:placeholder:`B`:diagtext:`' symbol`|
+-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wunicode-whitespace -Wunicode-whitespace
-------------------- --------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+-------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`treating Unicode character as whitespace`| |:warning:`warning:` |nbsp| :diagtext:`treating Unicode character as whitespace`|
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This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+-----------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`unknown argument ignored in clang-cl: '`:placeholder:`A`:diagtext:`'`| |:warning:`warning:` |nbsp| :diagtext:`unknown argument ignored in clang-cl: '`:placeholder:`A`:diagtext:`'`|
+-----------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------+
+---------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`unknown argument ignored in clang-cl '`:placeholder:`A`:diagtext:`' (did you mean '`:placeholder:`B`:diagtext:`'?)`|
+---------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wunknown-attributes -Wunknown-attributes
-------------------- --------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+-----------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------+
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|:warning:`warning:` |nbsp| :diagtext:`ignoring '-mnan=2008' option because the '`:placeholder:`A`:diagtext:`' architecture does not support it`| |:warning:`warning:` |nbsp| :diagtext:`ignoring '-mnan=2008' option because the '`:placeholder:`A`:diagtext:`' architecture does not support it`|
+-----------------------------------------------------------------------------------------------------------------------------------------------+ +-----------------------------------------------------------------------------------------------------------------------------------------------+
+-------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`ignoring '-mnan=legacy' option because the '`:placeholder:`A`:diagtext:`' architecture does not support it`| |:warning:`warning:` |nbsp| :diagtext:`ignoring '-mnan=legacy' option because the '`:placeholder:`A`:diagtext:`' architecture does not support it`|
+-------------------------------------------------------------------------------------------------------------------------------------------------+ +-------------------------------------------------------------------------------------------------------------------------------------------------+
-Wunsupported-target-opt
------------------------
This diagnostic is enabled by default.
**Diagnostic text:**
+---------------------------------------------------------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`debug information option '`:placeholder:`A`:diagtext:`' is not supported for target '`:placeholder:`B`:diagtext:`'`|
+---------------------------------------------------------------------------------------------------------------------------------------------------------+
-Wunsupported-visibility -Wunsupported-visibility
------------------------ ------------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------------------------------------------------+ +------------------------------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`target does not support 'protected' visibility; using 'default'`| |:warning:`warning:` |nbsp| :diagtext:`target does not support 'protected' visibility; using 'default'`|
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-Wunused-comparison -Wunused-comparison
------------------- -------------------
This diagnostic is enabled by default. This diagnostic is enabled by default.
**Diagnostic text:** **Diagnostic text:**
+---------------------------+-----------------------------------------+--------------------------------------------+ +---------------------------+------------------------+--------------------------------------------+
|:warning:`warning:` |nbsp| |+---------------------------------------+| |nbsp| :diagtext:`comparison result unused`| |:warning:`warning:` |nbsp| |+----------------------+| |nbsp| :diagtext:`comparison result unused`|
| ||+----------------+--------------------+|| | | ||:diagtext:`equality` || |
| |||+--------------+|:diagtext:`equality`||| | | |+----------------------+| |
| |||| || ||| | | ||:diagtext:`inequality`|| |
| |||+--------------+| ||| | | |+----------------------+| |
| ||||:diagtext:`in`|| ||| |
| |||+--------------+| ||| |
| ||+----------------+--------------------+|| |
| |+---------------------------------------+| |
| ||:diagtext:`relational` || | | ||:diagtext:`relational`|| |
| |+---------------------------------------+| | | |+----------------------+| |
+---------------------------+-----------------------------------------+--------------------------------------------+ | ||:diagtext:`three-way` || |
| |+----------------------+| |
+---------------------------+------------------------+--------------------------------------------+
-Wunused-const-variable -Wunused-const-variable
----------------------- -----------------------
**Diagnostic text:** **Diagnostic text:**
+------------------------------------------------------------------------------+ +------------------------------------------------------------------------------+
|:warning:`warning:` |nbsp| :diagtext:`unused variable` |nbsp| :placeholder:`A`| |:warning:`warning:` |nbsp| :diagtext:`unused variable` |nbsp| :placeholder:`A`|
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