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Differential D146595 Diff 511515 clang/docs/ReleaseNotes.rst

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clang/docs/ReleaseNotes.rst

Show First 20 Lines • Show All 178 Lines • ▼ Show 20 Lines	- ``__declspec`` attributes can now be used together with the using keyword. Before
point where the alias is used.		point where the alias is used.
- Introduced a new ``USR`` (unified symbol resolution) clause inside of the		- Introduced a new ``USR`` (unified symbol resolution) clause inside of the
existing ``__attribute__((external_source_symbol))`` attribute. Clang's indexer		existing ``__attribute__((external_source_symbol))`` attribute. Clang's indexer
uses the optional USR value when indexing Clang's AST. This value is expected		uses the optional USR value when indexing Clang's AST. This value is expected
to be generated by an external compiler when generating C++ bindings during		to be generated by an external compiler when generating C++ bindings during
the compilation of the foreign language sources (e.g. Swift).		the compilation of the foreign language sources (e.g. Swift).
- The ``__has_attribute``, ``__has_c_attribute`` and ``__has_cpp_attribute``		- The ``__has_attribute``, ``__has_c_attribute`` and ``__has_cpp_attribute``
preprocessor operators now return 1 also for attributes defined by plugins.		preprocessor operators now return 1 also for attributes defined by plugins.
		- Introduced a new function attribute ``__attribute__((debug_trampoline))``
		which is intended as a hint to debuggers that they should not stop at the annotated
		function, but instead step through it when stepping in, and continuing directly to
		its caller when stepping out.

Improvements to Clang's diagnostics		Improvements to Clang's diagnostics
-----------------------------------		-----------------------------------
- We now generate a diagnostic for signed integer overflow due to unary minus		- We now generate a diagnostic for signed integer overflow due to unary minus
in a non-constant expression context.		in a non-constant expression context.
(`#31643 <https://github.com/llvm/llvm-project/issues/31643>`_)		(`#31643 <https://github.com/llvm/llvm-project/issues/31643>`_)
- Clang now warns by default for C++20 and later about deprecated capture of		- Clang now warns by default for C++20 and later about deprecated capture of
``this`` with a capture default of ``=``. This warning can be disabled with		``this`` with a capture default of ``=``. This warning can be disabled with
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