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[libc++] Use availability to rely on key functions for bad_expected_access and bad_function_call
This patch uses our availability machinery to allow defining a key function for bad_function_call and bad_expected_access at all times but only rely on it when we can. This prevents compilers from complaining about weak vtables and reduces code bloat and the amount of work done by the dynamic linker. rdar://111917845
1 parent 72e2e4f commit 1e616c8

13 files changed

+63
-24
lines changed

‎libcxx/include/__availability

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@@ -160,6 +160,15 @@
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# define _LIBCPP_AVAILABILITY_HAS_TZDB 1
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# define _LIBCPP_AVAILABILITY_TZDB
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// These macros determine whether we assume that std::bad_function_call and
164+
// std::bad_expected_access provide a key function in the dylib. This allows
165+
// centralizing their vtable and typeinfo instead of having all TUs provide
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// a weak definition that then gets deduplicated.
167+
# define _LIBCPP_AVAILABILITY_HAS_BAD_FUNCTION_CALL_KEY_FUNCTION 1
168+
# define _LIBCPP_AVAILABILITY_BAD_FUNCTION_CALL_KEY_FUNCTION
169+
# define _LIBCPP_AVAILABILITY_HAS_BAD_EXPECTED_ACCESS_KEY_FUNCTION 1
170+
# define _LIBCPP_AVAILABILITY_BAD_EXPECTED_ACCESS_KEY_FUNCTION
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#elif defined(__APPLE__)
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# define _LIBCPP_AVAILABILITY_HAS_BAD_OPTIONAL_ACCESS \
@@ -290,6 +299,13 @@
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# else
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# define _LIBCPP_AVAILABILITY_HAS_ADDITIONAL_IOSTREAM_EXPLICIT_INSTANTIATIONS_1 1
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# endif
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# define _LIBCPP_AVAILABILITY_HAS_BAD_FUNCTION_CALL_KEY_FUNCTION 0
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# define _LIBCPP_AVAILABILITY_BAD_FUNCTION_CALL_KEY_FUNCTION __attribute__((unavailable))
305+
306+
# define _LIBCPP_AVAILABILITY_HAS_BAD_EXPECTED_ACCESS_KEY_FUNCTION 0
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# define _LIBCPP_AVAILABILITY_BAD_EXPECTED_ACCESS_KEY_FUNCTION __attribute__((unavailable))
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#else
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// ...New vendors can add availability markup here...

‎libcxx/include/__config

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@@ -120,10 +120,6 @@
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# define _LIBCPP_ABI_FIX_UNORDERED_NODE_POINTER_UB
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# define _LIBCPP_ABI_FORWARD_LIST_REMOVE_NODE_POINTER_UB
122122
# define _LIBCPP_ABI_FIX_UNORDERED_CONTAINER_SIZE_TYPE
123-
// Define a key function for `bad_function_call` in the library, to centralize
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// its vtable and typeinfo to libc++ rather than having all other libraries
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// using that class define their own copies.
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# define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION
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// Override the default return value of exception::what() for
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// bad_function_call::what() with a string that is specific to
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// bad_function_call (see http://wg21.link/LWG2233). This is an ABI break
@@ -197,19 +193,6 @@
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# if defined(__FreeBSD__) && __FreeBSD__ < 14
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# define _LIBCPP_DEPRECATED_ABI_DISABLE_PAIR_TRIVIAL_COPY_CTOR
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# endif
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// For XCOFF linkers, we have problems if we see a weak hidden version of a symbol
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// in user code (like you get with -fvisibility-inlines-hidden) and then a strong def
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// in the library, so we need to always rely on the library version.
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# if defined(_AIX)
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# define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION
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# endif
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# endif
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# if defined(_LIBCPP_BUILDING_LIBRARY) || _LIBCPP_ABI_VERSION >= 2
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// Define a key function for `bad_function_call` in the library, to centralize
210-
// its vtable and typeinfo to libc++ rather than having all other libraries
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// using that class define their own copies.
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# define _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION
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# endif
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215198
// We had some bugs where we use [[no_unique_address]] together with construct_at,

‎libcxx/include/__expected/bad_expected_access.h

Lines changed: 9 additions & 4 deletions
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@@ -9,6 +9,7 @@
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#ifndef _LIBCPP___EXPECTED_BAD_EXPECTED_ACCESS_H
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#define _LIBCPP___EXPECTED_BAD_EXPECTED_ACCESS_H
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12+
#include <__availability>
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#include <__config>
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#include <__exception/exception.h>
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#include <__utility/move.h>
@@ -27,8 +28,10 @@ _LIBCPP_BEGIN_NAMESPACE_STD
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template <class _Err>
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class bad_expected_access;
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31+
# if !_LIBCPP_AVAILABILITY_HAS_BAD_EXPECTED_ACCESS_KEY_FUNCTION
3032
_LIBCPP_DIAGNOSTIC_PUSH
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_LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wweak-vtables")
34+
# endif
3235
template <>
3336
class bad_expected_access<void> : public exception {
3437
protected:
@@ -40,13 +43,15 @@ class bad_expected_access<void> : public exception {
4043
_LIBCPP_HIDE_FROM_ABI_VIRTUAL ~bad_expected_access() override = default;
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4245
public:
43-
// The way this has been designed (by using a class template below) means that we'll already
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// have a profusion of these vtables in TUs, and the dynamic linker will already have a bunch
45-
// of work to do. So it is not worth hiding the <void> specialization in the dylib, given that
46-
// it adds deployment target restrictions.
46+
# if _LIBCPP_AVAILABILITY_HAS_BAD_EXPECTED_ACCESS_KEY_FUNCTION
47+
const char* what() const noexcept override;
48+
# else
4749
_LIBCPP_HIDE_FROM_ABI_VIRTUAL const char* what() const noexcept override { return "bad access to std::expected"; }
50+
# endif
4851
};
52+
# if !_LIBCPP_AVAILABILITY_HAS_BAD_EXPECTED_ACCESS_KEY_FUNCTION
4953
_LIBCPP_DIAGNOSTIC_POP
54+
# endif
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template <class _Err>
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class bad_expected_access : public bad_expected_access<void> {

‎libcxx/include/__functional/function.h

Lines changed: 6 additions & 1 deletion
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@@ -11,6 +11,7 @@
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#define _LIBCPP___FUNCTIONAL_FUNCTION_H
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#include <__assert>
14+
#include <__availability>
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#include <__config>
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#include <__exception/exception.h>
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#include <__functional/binary_function.h>
@@ -54,8 +55,10 @@ _LIBCPP_BEGIN_NAMESPACE_STD
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// bad_function_call
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58+
# if !_LIBCPP_AVAILABILITY_HAS_BAD_FUNCTION_CALL_KEY_FUNCTION
5759
_LIBCPP_DIAGNOSTIC_PUSH
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_LIBCPP_CLANG_DIAGNOSTIC_IGNORED("-Wweak-vtables")
61+
# endif
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class _LIBCPP_EXPORTED_FROM_ABI bad_function_call : public exception {
6063
public:
6164
_LIBCPP_HIDE_FROM_ABI bad_function_call() _NOEXCEPT = default;
@@ -64,7 +67,7 @@ class _LIBCPP_EXPORTED_FROM_ABI bad_function_call : public exception {
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// Note that when a key function is not used, every translation unit that uses
6568
// bad_function_call will end up containing a weak definition of the vtable and
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// typeinfo.
67-
# ifdef _LIBCPP_ABI_BAD_FUNCTION_CALL_KEY_FUNCTION
70+
# if _LIBCPP_AVAILABILITY_HAS_BAD_FUNCTION_CALL_KEY_FUNCTION
6871
~bad_function_call() _NOEXCEPT override;
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# else
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_LIBCPP_HIDE_FROM_ABI_VIRTUAL ~bad_function_call() _NOEXCEPT override {}
@@ -74,7 +77,9 @@ class _LIBCPP_EXPORTED_FROM_ABI bad_function_call : public exception {
7477
const char* what() const _NOEXCEPT override;
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# endif
7679
};
80+
# if !_LIBCPP_AVAILABILITY_HAS_BAD_FUNCTION_CALL_KEY_FUNCTION
7781
_LIBCPP_DIAGNOSTIC_POP
82+
# endif
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_LIBCPP_NORETURN inline _LIBCPP_HIDE_FROM_ABI void __throw_bad_function_call() {
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# ifndef _LIBCPP_HAS_NO_EXCEPTIONS

‎libcxx/lib/abi/arm64-apple-darwin.libcxxabi.v1.stable.exceptions.nonew.abilist

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{'is_defined': True, 'name': '__ZTINSt3__117moneypunct_bynameIwLb1EEE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTINSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTINSt3__119__shared_weak_countE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTINSt3__119bad_expected_accessIvEE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTINSt3__119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTINSt3__119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTINSt3__120__codecvt_utf8_utf16IDiEE', 'size': 0, 'type': 'OBJECT'}
@@ -2264,6 +2265,7 @@
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{'is_defined': True, 'name': '__ZTSNSt3__117moneypunct_bynameIwLb0EEE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTSNSt3__117moneypunct_bynameIwLb1EEE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTSNSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTSNSt3__119bad_expected_accessIvEE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTSNSt3__119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTSNSt3__119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTSNSt3__13pmr15memory_resourceE', 'size': 0, 'type': 'OBJECT'}
@@ -2482,6 +2484,7 @@
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{'is_defined': True, 'name': '__ZTVNSt3__117moneypunct_bynameIwLb1EEE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTVNSt3__118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTVNSt3__119__shared_weak_countE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTVNSt3__119bad_expected_accessIvEE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTVNSt3__119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTVNSt3__119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 0, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '__ZTVNSt3__120__codecvt_utf8_utf16IDiEE', 'size': 0, 'type': 'OBJECT'}

‎libcxx/lib/abi/i686-linux-android21.libcxxabi.v1.stable.exceptions.nonew.abilist

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{'is_defined': True, 'name': '_ZTINSt6__ndk118__time_get_storageIwEE', 'size': 12, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTINSt6__ndk118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 12, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTINSt6__ndk119__shared_weak_countE', 'size': 24, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTINSt6__ndk119bad_expected_accessIvEE', 'size': 12, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTINSt6__ndk119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 12, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTINSt6__ndk119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 12, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTINSt6__ndk120__codecvt_utf8_utf16IDiEE', 'size': 12, 'type': 'OBJECT'}
@@ -1958,6 +1959,7 @@
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{'is_defined': True, 'name': '_ZTSNSt6__ndk118__time_get_storageIwEE', 'size': 35, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTSNSt6__ndk118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 72, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTSNSt6__ndk119__shared_weak_countE', 'size': 33, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTSNSt6__ndk119bad_expected_accessIvEE', 'size': 36, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTSNSt6__ndk119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 73, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTSNSt6__ndk119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 73, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTSNSt6__ndk120__codecvt_utf8_utf16IDiEE', 'size': 38, 'type': 'OBJECT'}
@@ -2188,6 +2190,7 @@
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{'is_defined': True, 'name': '_ZTVNSt6__ndk117moneypunct_bynameIwLb1EEE', 'size': 56, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTVNSt6__ndk118basic_stringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 60, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTVNSt6__ndk119__shared_weak_countE', 'size': 28, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTVNSt6__ndk119bad_expected_accessIvEE', 'size': 20, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTVNSt6__ndk119basic_istringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 40, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTVNSt6__ndk119basic_ostringstreamIcNS_11char_traitsIcEENS_9allocatorIcEEEE', 'size': 40, 'type': 'OBJECT'}
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{'is_defined': True, 'name': '_ZTVNSt6__ndk120__codecvt_utf8_utf16IDiEE', 'size': 48, 'type': 'OBJECT'}

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

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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__117__widen_from_utf8ILm32EEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__117bad_function_callE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__119__shared_weak_countE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
913+
{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__119bad_expected_accessIvEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__120__codecvt_utf8_utf16IDiEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__120__codecvt_utf8_utf16IDsEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__120__codecvt_utf8_utf16IwEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
@@ -969,6 +970,7 @@
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__117__widen_from_utf8ILm32EEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__117bad_function_callE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__119__shared_weak_countE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__119bad_expected_accessIvEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__120__codecvt_utf8_utf16IDiEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__120__codecvt_utf8_utf16IDsEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__120__codecvt_utf8_utf16IwEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
@@ -1031,6 +1033,7 @@
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__117__widen_from_utf8ILm32EEE', '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'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__119__shared_weak_countE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__119bad_expected_accessIvEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IDiEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IDsEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IwEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}

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

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@@ -910,6 +910,7 @@
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__117__widen_from_utf8ILm32EEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__117bad_function_callE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__119__shared_weak_countE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__119bad_expected_accessIvEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__120__codecvt_utf8_utf16IDiEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__120__codecvt_utf8_utf16IDsEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTINSt3__120__codecvt_utf8_utf16IwEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
@@ -969,6 +970,7 @@
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__117__widen_from_utf8ILm32EEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__117bad_function_callE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__119__shared_weak_countE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__119bad_expected_accessIvEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__120__codecvt_utf8_utf16IDiEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__120__codecvt_utf8_utf16IDsEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTSNSt3__120__codecvt_utf8_utf16IwEE', 'storage_mapping_class': 'RO', 'type': 'OBJECT'}
@@ -1031,6 +1033,7 @@
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__117__widen_from_utf8ILm32EEE', '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'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__119__shared_weak_countE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__119bad_expected_accessIvEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IDiEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IDsEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}
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{'import_export': 'EXP', 'is_defined': True, 'name': '_ZTVNSt3__120__codecvt_utf8_utf16IwEE', 'storage_mapping_class': 'RW', 'type': 'OBJECT'}

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

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@@ -2087,6 +2087,7 @@
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