[libc++][PMR] Move the pmr::memory_resource destructor into the dylib

[philnik]

Summary

This avoids emitting the VTable of pmr::memory_resource in every TU.

[philnik]

Rebased

[philnik]

Rebased

[ldionne]

I am surprised that we don't need to change the ABI list, can you look into why that's not needed?

I would assume it was already exported by the dylib because it wasn't marked with HIDE_FROM_ABI, but can you confirm that?

[philnik]

Rebased

[philnik]

Rebased; updated ABI list

[philnik]

In D136196#3871517, @ldionne wrote:

I am surprised that we don't need to change the ABI list, can you look into why that's not needed?

I would assume it was already exported by the dylib because it wasn't marked with HIDE_FROM_ABI, but can you confirm that?

The ABI lists actually need updating, the CI just failed before they were checked.

[philnik]

Update changelog

[philnik]

Rebased; Updated all abilists

[EricWF]

Doesn't this need additional availability markup for OS X?

[philnik]

In D136196#3894928, @EricWF wrote:

Doesn't this need additional availability markup for OS X?

It does, but there are some bugs which doesn't allow us to add them currently. See D135813.

[EricWF]

Also, this changes the initialization/atexit behavior of derived memory resource types.

Specifically, because the destructor is no longer defaulted, it's no longer trivial. So the compiler now needs to emit atexit destructors for global memory resources.

I'm not sure this change actually does what we want. I need a minute to test some things.

[EricWF]

So I'm not convinced that we actually emit this vtable. At least not outside of the users control.

Can you provide me with example code that would cause the vtable for this type to be omitted inline?
(without providing a derived class with an inline constructor)

[philnik]

In D136196#3894937, @EricWF wrote:

Also, this changes the initialization/atexit behavior of derived memory resource types.

Specifically, because the destructor is no longer defaulted, it's no longer trivial. So the compiler now needs to emit atexit destructors for global memory resources.

I'm not sure this change actually does what we want. I need a minute to test some things.

Are you sure about that? The class is already non-trivial because it declares virtual functions, and the only difference I can find here is that it doesn't call the destructor of S.

[philnik]

XFAIL tests and update no exceptions abilist

libcxx/include/__memory_resource/memory_resource.h

 #if _LIBCPP_STD_VER > 14
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 namespace pmr {
 
 // [mem.res.class]
 
-_LIBCPP_DIAGNOSTIC_PUSH
-_LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wweak-vtables") // TODO: move destructor into the dylib
 class _LIBCPP_TYPE_VIS memory_resource {
   static const size_t __max_align = alignof(max_align_t);
 
 public:
-  virtual ~memory_resource() = default;
+  virtual ~memory_resource();
 
   [[using __gnu__: __returns_nonnull__, __alloc_size__(2), __alloc_align__(3)]] _LIBCPP_HIDE_FROM_ABI void*
   allocate(size_t __bytes, size_t __align = __max_align) {
     return do_allocate(__bytes, __align);
   }
 
   [[__gnu__::__nonnull__]] _LIBCPP_HIDE_FROM_ABI void
   deallocate(void* __p, size_t __bytes, size_t __align = __max_align) {
     do_deallocate(__p, __bytes, __align);
   }
 
   _LIBCPP_HIDE_FROM_ABI bool is_equal(const memory_resource& __other) const noexcept { return do_is_equal(__other); }
 
 private:
   virtual void* do_allocate(size_t, size_t)                       = 0;
   virtual void do_deallocate(void*, size_t, size_t)               = 0;
   virtual bool do_is_equal(memory_resource const&) const noexcept = 0;
 };
-_LIBCPP_DIAGNOSTIC_POP
 
 // [mem.res.eq]
 
 inline _LIBCPP_HIDE_FROM_ABI bool operator==(const memory_resource& __lhs, const memory_resource& __rhs) noexcept {
   return &__lhs == &__rhs || __lhs.is_equal(__rhs);
 }
 
 inline _LIBCPP_HIDE_FROM_ABI bool operator!=(const memory_resource& __lhs, const memory_resource& __rhs) noexcept {

libcxx/lib/abi/CHANGELOG.TXT

 `generate-cxx-abilist` target, and look at the diff.
 
 New entries should be added directly below the "Version" header.
 
 ------------
 Version 16.0
 ------------
 
+* [libc++][PMR] Move the pmr::memory_resource destructor into the dylib
+
+  All platforms
+  -------------
+  Symbol added: _ZNSt3__13pmr15memory_resourceD0Ev
+  Symbol added: _ZNSt3__13pmr15memory_resourceD1Ev
+  Symbol added: _ZNSt3__13pmr15memory_resourceD2Ev
+  Symbol added: _ZTVNSt3__13pmr15memory_resourceE
+
 * [libc++] [C++17] Implement <memory_resource>.
 
   This commit adds <memory_resource> to the shared library.
 
   All platforms
   -------------
   Symbol added: _ZNKSt3__13pmr26synchronized_pool_resource11do_is_equalERKNS0_15memory_resourceE
   Symbol added: _ZNKSt3__13pmr28unsynchronized_pool_resource12__pool_indexEmm

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 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__117__widen_from_utf8ILm16EEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__117bad_function_callE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__119__shared_weak_countE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IDiEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IDsEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IwEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__13pmr15memory_resourceE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__13pmr25monotonic_buffer_resourceE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__13pmr26synchronized_pool_resourceE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__13pmr28unsynchronized_pool_resourceE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__14__fs10filesystem16filesystem_errorE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__15ctypeIcEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__15ctypeIwEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__16locale5facetE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__17codecvtIDiDuPcEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}

 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__117moneypunct_bynameIwLb1EEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__118__time_get_storageIcEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__118__time_get_storageIwEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__120__time_get_c_storageIcEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__120__time_get_c_storageIwEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
-{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__13pmr15memory_resourceE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__13pmr26__null_memory_resource_impE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__13pmr32__new_delete_memory_resource_impE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__17collateIcEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__17collateIwEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__17num_putIcNS_19ostreambuf_iteratorIcNS_11char_traitsIcEEEEEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__17num_putIwNS_19ostreambuf_iteratorIwNS_11char_traitsIwEEEEEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}

 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__117moneypunct_bynameIwLb1EEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__118__time_get_storageIcEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__118__time_get_storageIwEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__120__time_get_c_storageIcEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__120__time_get_c_storageIwEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
-{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__13pmr15memory_resourceE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__13pmr26__null_memory_resource_impE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__13pmr32__new_delete_memory_resource_impE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__17collateIcEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__17collateIwEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__17num_putIcNS_19ostreambuf_iteratorIcNS_11char_traitsIcEEEEEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__17num_putIwNS_19ostreambuf_iteratorIwNS_11char_traitsIwEEEEEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}

 {'import_export': 'wIMP', 'is_defined': False, 'name': '_ZdaPv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wIMP', 'is_defined': False, 'name': '_ZdaPvSt11align_val_t', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wIMP', 'is_defined': False, 'name': '_ZdlPv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wIMP', 'is_defined': False, 'name': '_ZdlPvSt11align_val_t', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wIMP', 'is_defined': False, 'name': '_Znam', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wIMP', 'is_defined': False, 'name': '_ZnamSt11align_val_t', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wIMP', 'is_defined': False, 'name': '_Znwm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wIMP', 'is_defined': False, 'name': '_ZnwmSt11align_val_t', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 No newline at end of file

libcxx/lib/abi/powerpc64-ibm-aix.libcxxabi.v1.stable.exceptions.nonew.abilist

 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__123__cxx_atomic_notify_oneEPVKv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__123__libcpp_atomic_monitorEPVKNS_17__cxx_atomic_implIlNS_22__cxx_atomic_base_implIlEEEE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__123__libcpp_atomic_monitorEPVKv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__125notify_all_at_thread_exitERNS_18condition_variableENS_11unique_lockINS_5mutexEEE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__131__arrive_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseEh', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__132__destroy_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__134__construct_barrier_algorithm_baseERl', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__13cinE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__13pmr15memory_resourceD0Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__13pmr15memory_resourceD1Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__13pmr15memory_resourceD2Ev', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__13pmr19new_delete_resourceEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__13pmr20get_default_resourceEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__13pmr20null_memory_resourceEv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__13pmr20set_default_resourceEPNS0_15memory_resourceE', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__13pmr25monotonic_buffer_resource11do_allocateEmm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__13pmr25monotonic_buffer_resource14__chunk_footer25__try_allocate_from_chunkEmm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__13pmr25monotonic_buffer_resource20__initial_descriptor25__try_allocate_from_chunkEmm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZNSt3__13pmr28unsynchronized_pool_resource11do_allocateEmm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}

 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__117__assoc_sub_stateE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__117__widen_from_utf8ILm16EEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__117__widen_from_utf8ILm32EEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__117bad_function_callE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__119__shared_weak_countE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__120__codecvt_utf8_utf16IDiEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__120__codecvt_utf8_utf16IDsEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__120__codecvt_utf8_utf16IwEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__13pmr15memory_resourceE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__13pmr25monotonic_buffer_resourceE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__13pmr26synchronized_pool_resourceE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__13pmr28unsynchronized_pool_resourceE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__14__fs10filesystem16filesystem_errorE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__15ctypeIcEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__15ctypeIwEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__16locale5facetE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__17codecvtIDiDuPcEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}

 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__117__assoc_sub_stateE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__117__widen_from_utf8ILm16EEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__117__widen_from_utf8ILm32EEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__117bad_function_callE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__119__shared_weak_countE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__120__codecvt_utf8_utf16IDiEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__120__codecvt_utf8_utf16IDsEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__120__codecvt_utf8_utf16IwEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__13pmr15memory_resourceE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__13pmr25monotonic_buffer_resourceE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__13pmr26synchronized_pool_resourceE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__13pmr28unsynchronized_pool_resourceE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__14__fs10filesystem16filesystem_errorE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__15ctypeIcEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__15ctypeIwEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__16locale5facetE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__17codecvtIDiDuPcEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}

 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__117__assoc_sub_stateE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__117__widen_from_utf8ILm16EEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__117__widen_from_utf8ILm32EEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__117bad_function_callE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__119__shared_weak_countE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IDiEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IDsEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IwEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
+{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__13pmr15memory_resourceE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__13pmr25monotonic_buffer_resourceE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__13pmr26synchronized_pool_resourceE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__13pmr28unsynchronized_pool_resourceE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__14__fs10filesystem16filesystem_errorE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__15ctypeIcEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__15ctypeIwEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__16locale5facetE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__17codecvtIDiDuPcEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}

 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__117moneypunct_bynameIwLb1EEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__118__time_get_storageIcEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__118__time_get_storageIwEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__120__time_get_c_storageIcEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__120__time_get_c_storageIwEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
-{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__13pmr15memory_resourceE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__13pmr26__null_memory_resource_impE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__13pmr32__new_delete_memory_resource_impE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__17collateIcEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__17collateIwEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__17num_putIcNS_19ostreambuf_iteratorIcNS_11char_traitsIcEEEEEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTINSt3__17num_putIwNS_19ostreambuf_iteratorIwNS_11char_traitsIwEEEEEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}

 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__117moneypunct_bynameIwLb1EEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__118__time_get_storageIcEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__118__time_get_storageIwEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__120__time_get_c_storageIcEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__120__time_get_c_storageIwEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
-{'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__13pmr15memory_resourceE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__13pmr26__null_memory_resource_impE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__13pmr32__new_delete_memory_resource_impE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__17collateIcEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__17collateIwEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__17num_getIcNS_19istreambuf_iteratorIcNS_11char_traitsIcEEEEEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__17num_getIwNS_19istreambuf_iteratorIwNS_11char_traitsIwEEEEEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__17num_putIcNS_19ostreambuf_iteratorIcNS_11char_traitsIcEEEEEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
 {'import_export': 'wEXP', 'is_defined': True, 'name': '_ZTSNSt3__17num_putIwNS_19ostreambuf_iteratorIwNS_11char_traitsIwEEEEEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}

 {'import_export': 'wIMP', 'is_defined': False, 'name': '_ZdaPv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wIMP', 'is_defined': False, 'name': '_ZdaPvSt11align_val_t', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wIMP', 'is_defined': False, 'name': '_ZdlPv', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wIMP', 'is_defined': False, 'name': '_ZdlPvSt11align_val_t', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wIMP', 'is_defined': False, 'name': '_Znam', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wIMP', 'is_defined': False, 'name': '_ZnamSt11align_val_t', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wIMP', 'is_defined': False, 'name': '_Znwm', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 {'import_export': 'wIMP', 'is_defined': False, 'name': '_ZnwmSt11align_val_t', 'storage_mapping_class': 'DS', 'type': 'FUNC'}
 No newline at end of file

libcxx/lib/abi/x86_64-apple-darwin.libcxxabi.v1.stable.exceptions.nonew.abilist

 {'is_defined': True, 'name': '__ZNSt3__127__insertion_sort_incompleteIRNS_6__lessIttEEPtEEbT0_S5_T_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__127__insertion_sort_incompleteIRNS_6__lessIwwEEPwEEbT0_S5_T_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__127__insertion_sort_incompleteIRNS_6__lessIxxEEPxEEbT0_S5_T_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__127__insertion_sort_incompleteIRNS_6__lessIyyEEPyEEbT0_S5_T_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__131__arrive_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseEh', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__132__destroy_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseE', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__134__construct_barrier_algorithm_baseERl', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__13cinE', 'size': 0, 'type': 'OBJECT'}
+{'is_defined': True, 'name': '__ZNSt3__13pmr15memory_resourceD0Ev', 'type': 'FUNC'}
+{'is_defined': True, 'name': '__ZNSt3__13pmr15memory_resourceD1Ev', 'type': 'FUNC'}
+{'is_defined': True, 'name': '__ZNSt3__13pmr15memory_resourceD2Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__13pmr19new_delete_resourceEv', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__13pmr20get_default_resourceEv', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__13pmr20null_memory_resourceEv', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__13pmr20set_default_resourceEPNS0_15memory_resourceE', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__13pmr25monotonic_buffer_resource11do_allocateEmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__13pmr25monotonic_buffer_resource14__chunk_footer25__try_allocate_from_chunkEmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__13pmr25monotonic_buffer_resource20__initial_descriptor25__try_allocate_from_chunkEmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '__ZNSt3__13pmr28unsynchronized_pool_resource11do_allocateEmm', 'type': 'FUNC'}

 {'is_defined': True, 'name': '__ZTVNSt3__117moneypunct_bynameIwLb1EEE', 'size': 0, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '__ZTVNSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 0, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '__ZTVNSt3__119__shared_weak_countE', 'size': 0, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '__ZTVNSt3__119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 0, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '__ZTVNSt3__119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 0, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '__ZTVNSt3__120__codecvt_utf8_utf16IDiEE', 'size': 0, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '__ZTVNSt3__120__codecvt_utf8_utf16IDsEE', 'size': 0, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '__ZTVNSt3__120__codecvt_utf8_utf16IwEE', 'size': 0, 'type': 'OBJECT'}
+{'is_defined': True, 'name': '__ZTVNSt3__13pmr15memory_resourceE', 'size': 0, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '__ZTVNSt3__13pmr25monotonic_buffer_resourceE', 'size': 0, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '__ZTVNSt3__13pmr26synchronized_pool_resourceE', 'size': 0, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '__ZTVNSt3__13pmr28unsynchronized_pool_resourceE', 'size': 0, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '__ZTVNSt3__14__fs10filesystem16filesystem_errorE', 'size': 0, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '__ZTVNSt3__15ctypeIcEE', 'size': 0, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '__ZTVNSt3__15ctypeIwEE', 'size': 0, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '__ZTVNSt3__16locale5facetE', 'size': 0, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '__ZTVNSt3__17codecvtIDiDu11__mbstate_tEE', 'size': 0, 'type': 'OBJECT'}

 {'is_defined': True, 'name': '___cxa_vec_delete2', 'type': 'I'}
 {'is_defined': True, 'name': '___cxa_vec_delete3', 'type': 'I'}
 {'is_defined': True, 'name': '___cxa_vec_dtor', 'type': 'I'}
 {'is_defined': True, 'name': '___cxa_vec_new', 'type': 'I'}
 {'is_defined': True, 'name': '___cxa_vec_new2', 'type': 'I'}
 {'is_defined': True, 'name': '___cxa_vec_new3', 'type': 'I'}
 {'is_defined': True, 'name': '___dynamic_cast', 'type': 'I'}
 {'is_defined': True, 'name': '___gxx_personality_v0', 'type': 'I'}
 No newline at end of file

libcxx/lib/abi/x86_64-unknown-linux-gnu.libcxxabi.v1.stable.exceptions.nonew.abilist

 {'is_defined': True, 'name': '_ZNSt3__127__insertion_sort_incompleteIRNS_6__lessIttEEPtEEbT0_S5_T_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__127__insertion_sort_incompleteIRNS_6__lessIwwEEPwEEbT0_S5_T_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__127__insertion_sort_incompleteIRNS_6__lessIxxEEPxEEbT0_S5_T_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__127__insertion_sort_incompleteIRNS_6__lessIyyEEPyEEbT0_S5_T_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__131__arrive_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseEh', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__132__destroy_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseE', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__134__construct_barrier_algorithm_baseERl', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13cinE', 'size': 168, 'type': 'OBJECT'}
+{'is_defined': True, 'name': '_ZNSt3__13pmr15memory_resourceD0Ev', 'type': 'FUNC'}
+{'is_defined': True, 'name': '_ZNSt3__13pmr15memory_resourceD1Ev', 'type': 'FUNC'}
+{'is_defined': True, 'name': '_ZNSt3__13pmr15memory_resourceD2Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13pmr19new_delete_resourceEv', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13pmr20get_default_resourceEv', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13pmr20null_memory_resourceEv', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13pmr20set_default_resourceEPNS0_15memory_resourceE', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13pmr25monotonic_buffer_resource11do_allocateEmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13pmr25monotonic_buffer_resource14__chunk_footer25__try_allocate_from_chunkEmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13pmr25monotonic_buffer_resource20__initial_descriptor25__try_allocate_from_chunkEmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13pmr28unsynchronized_pool_resource11do_allocateEmm', 'type': 'FUNC'}

 {'is_defined': True, 'name': '_ZTVNSt3__117moneypunct_bynameIwLb1EEE', 'size': 112, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 120, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__119__shared_weak_countE', 'size': 56, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 80, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 80, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IDiEE', 'size': 96, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IDsEE', 'size': 96, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IwEE', 'size': 96, 'type': 'OBJECT'}
+{'is_defined': True, 'name': '_ZTVNSt3__13pmr15memory_resourceE', 'size': 56, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__13pmr25monotonic_buffer_resourceE', 'size': 56, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__13pmr26__null_memory_resource_impE', 'size': 56, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__13pmr26synchronized_pool_resourceE', 'size': 56, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__13pmr28unsynchronized_pool_resourceE', 'size': 56, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__13pmr32__new_delete_memory_resource_impE', 'size': 56, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__14__fs10filesystem16filesystem_errorE', 'size': 40, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__15ctypeIcEE', 'size': 104, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__15ctypeIwEE', 'size': 136, 'type': 'OBJECT'}

 {'is_defined': True, 'name': '_ZTv0_n24_NSt3__113basic_ostreamIcNS_11char_traitsIcEEED0Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZTv0_n24_NSt3__113basic_ostreamIcNS_11char_traitsIcEEED1Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZTv0_n24_NSt3__113basic_ostreamIwNS_11char_traitsIwEEED0Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZTv0_n24_NSt3__113basic_ostreamIwNS_11char_traitsIwEEED1Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZTv0_n24_NSt3__114basic_iostreamIcNS_11char_traitsIcEEED0Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZTv0_n24_NSt3__114basic_iostreamIcNS_11char_traitsIcEEED1Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZTv0_n24_NSt3__19strstreamD0Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZTv0_n24_NSt3__19strstreamD1Ev', 'type': 'FUNC'}
 No newline at end of file

libcxx/lib/abi/x86_64-unknown-linux-gnu.libcxxabi.v1.stable.noexceptions.nonew.abilist

 {'is_defined': True, 'name': '_ZNSt3__127__insertion_sort_incompleteIRNS_6__lessIttEEPtEEbT0_S5_T_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__127__insertion_sort_incompleteIRNS_6__lessIwwEEPwEEbT0_S5_T_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__127__insertion_sort_incompleteIRNS_6__lessIxxEEPxEEbT0_S5_T_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__127__insertion_sort_incompleteIRNS_6__lessIyyEEPyEEbT0_S5_T_', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__131__arrive_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseEh', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__132__destroy_barrier_algorithm_baseEPNS_24__barrier_algorithm_baseE', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__134__construct_barrier_algorithm_baseERl', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13cinE', 'size': 168, 'type': 'OBJECT'}
+{'is_defined': True, 'name': '_ZNSt3__13pmr15memory_resourceD0Ev', 'type': 'FUNC'}
+{'is_defined': True, 'name': '_ZNSt3__13pmr15memory_resourceD1Ev', 'type': 'FUNC'}
+{'is_defined': True, 'name': '_ZNSt3__13pmr15memory_resourceD2Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13pmr19new_delete_resourceEv', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13pmr20get_default_resourceEv', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13pmr20null_memory_resourceEv', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13pmr20set_default_resourceEPNS0_15memory_resourceE', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13pmr25monotonic_buffer_resource11do_allocateEmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13pmr25monotonic_buffer_resource14__chunk_footer25__try_allocate_from_chunkEmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13pmr25monotonic_buffer_resource20__initial_descriptor25__try_allocate_from_chunkEmm', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZNSt3__13pmr28unsynchronized_pool_resource11do_allocateEmm', 'type': 'FUNC'}

 {'is_defined': True, 'name': '_ZTVNSt3__117moneypunct_bynameIwLb1EEE', 'size': 112, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 120, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__119__shared_weak_countE', 'size': 56, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 80, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 80, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IDiEE', 'size': 96, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IDsEE', 'size': 96, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IwEE', 'size': 96, 'type': 'OBJECT'}
+{'is_defined': True, 'name': '_ZTVNSt3__13pmr15memory_resourceE', 'size': 56, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__13pmr25monotonic_buffer_resourceE', 'size': 56, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__13pmr26__null_memory_resource_impE', 'size': 56, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__13pmr26synchronized_pool_resourceE', 'size': 56, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__13pmr28unsynchronized_pool_resourceE', 'size': 56, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__13pmr32__new_delete_memory_resource_impE', 'size': 56, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__14__fs10filesystem16filesystem_errorE', 'size': 40, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__15ctypeIcEE', 'size': 104, 'type': 'OBJECT'}
 {'is_defined': True, 'name': '_ZTVNSt3__15ctypeIwEE', 'size': 136, 'type': 'OBJECT'}

 {'is_defined': True, 'name': '_ZTv0_n24_NSt3__113basic_ostreamIcNS_11char_traitsIcEEED0Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZTv0_n24_NSt3__113basic_ostreamIcNS_11char_traitsIcEEED1Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZTv0_n24_NSt3__113basic_ostreamIwNS_11char_traitsIwEEED0Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZTv0_n24_NSt3__113basic_ostreamIwNS_11char_traitsIwEEED1Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZTv0_n24_NSt3__114basic_iostreamIcNS_11char_traitsIcEEED0Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZTv0_n24_NSt3__114basic_iostreamIcNS_11char_traitsIcEEED1Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZTv0_n24_NSt3__19strstreamD0Ev', 'type': 'FUNC'}
 {'is_defined': True, 'name': '_ZTv0_n24_NSt3__19strstreamD1Ev', 'type': 'FUNC'}
 No newline at end of file

libcxx/src/memory_resource.cpp

 #endif
 
 _LIBCPP_BEGIN_NAMESPACE_STD
 
 namespace pmr {
 
 // memory_resource
 
-//memory_resource::~memory_resource() {}
+memory_resource::~memory_resource() = default;
 
 // new_delete_resource()
 
 #ifdef _LIBCPP_HAS_NO_ALIGNED_ALLOCATION
 static bool is_aligned_to(void* ptr, size_t align) {
   void* p2     = ptr;
   size_t space = 1;
   void* result = std::align(align, 1, p2, space);

libcxx/test/libcxx/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.mem/construct_piecewise_pair.pass.cpp

 //===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14
+// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
+// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
 // test_memory_resource requires RTTI for dynamic_cast
 // UNSUPPORTED: no-rtti
 
 // <memory_resource>
 
 // template <class T> class polymorphic_allocator
 

libcxx/test/std/utilities/utility/mem.res/mem.poly.allocator.class/mem.poly.allocator.ctor/memory_resource_convert.pass.cpp

 //===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14
+// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
+// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
 // test_memory_resource requires RTTI for dynamic_cast
 // UNSUPPORTED: no-rtti
 
 // <memory_resource>
 
 // template <class T> class polymorphic_allocator
 

libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.eq/equal.pass.cpp

 //===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14
+// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
+// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
 // test_memory_resource requires RTTI for dynamic_cast
 // UNSUPPORTED: no-rtti
 
 // <memory_resource>
 
 // bool operator==(memory_resource const &, memory_resource const &) noexcept;
 

libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.eq/not_equal.pass.cpp

 //===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14
+// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
+// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
 // test_memory_resource requires RTTI for dynamic_cast
 // UNSUPPORTED: no-rtti
 
 // <memory_resource>
 
 // bool operator!=(memory_resource const &, memory_resource const &) noexcept;
 

libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/allocate.pass.cpp

 //===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14
+// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
+// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
 // test_memory_resource requires RTTI for dynamic_cast
 // UNSUPPORTED: no-rtti
 
 // <memory_resource>
 
 //------------------------------------------------------------------------------
 // TESTING void *memory_resource::allocate(size_t, size_t = max_align)

libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/deallocate.pass.cpp

 //===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14
+// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
+// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
 // test_memory_resource requires RTTI for dynamic_cast
 // UNSUPPORTED: no-rtti
 
 // <memory_resource>
 
 //------------------------------------------------------------------------------
 // TESTING void * memory_resource::deallocate(void *, size_t, size_t = max_align)

libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/dtor.pass.cpp

 //===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14
+// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
+// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
 // test_memory_resource requires RTTI for dynamic_cast
 // UNSUPPORTED: no-rtti
 
 // <memory_resource>
 
 //------------------------------------------------------------------------------
 // TESTING virtual ~memory_resource()

libcxx/test/std/utilities/utility/mem.res/mem.res/mem.res.public/is_equal.pass.cpp

 //===----------------------------------------------------------------------===//
 //
 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
 // See https://llvm.org/LICENSE.txt for license information.
 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
 //
 //===----------------------------------------------------------------------===//
 
 // UNSUPPORTED: c++03, c++11, c++14
+// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx10.{{9|10|11|12|13|14|15}}
+// XFAIL: use_system_cxx_lib && target={{.+}}-apple-macosx{{11.0|12.0}}
 
 // test_memory_resource requires RTTI for dynamic_cast
 // UNSUPPORTED: no-rtti
 
 // <memory_resource>
 
 //------------------------------------------------------------------------------
 // TESTING virtual bool is_equal(memory_resource const &) const noexcept