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[libc++] Removes the _LIBCPP_VERBOSE_ABORT_NOT_NOEXCEPT macro. (#135494)

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This makes __libcpp_verbose_abort unconditionally noexcept. This was
planned for the upcomming release.
This commit is contained in:
Mark de Wever 2025-04-14 18:55:01 +02:00 committed by GitHub
parent 88c3e0eecf
commit 1175f5b988
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3 changed files with 5 additions and 11 deletions
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6
libcxx/docs/ReleaseNotes/21.rst
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@ -70,6 +70,9 @@ Deprecations and Removals
- ``std::is_trivial`` and ``std::is_trivial_v`` are deprecated in C++26 and later.
- The ``_LIBCPP_VERBOSE_ABORT_NOT_NOEXCEPT`` has been removed, making ``std::__libcpp_verbose_abort``
unconditionally ``noexcept``.
Potentially breaking changes
----------------------------
@ -91,9 +94,6 @@ LLVM 21
If you are using C++03 in your project, you should consider moving to a newer version of the Standard to get the most
out of libc++.
- The ``_LIBCPP_VERBOSE_ABORT_NOT_NOEXCEPT`` macro will be removed in LLVM 21, making ``std::__libcpp_verbose_abort``
unconditionally ``noexcept``.
- Non-conforming extension ``packaged_task::result_type`` will be removed in LLVM 21.
LLVM 22

8
libcxx/include/__verbose_abort
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@ -18,16 +18,10 @@
_LIBCPP_BEGIN_NAMESPACE_STD
#if defined(_LIBCPP_VERBOSE_ABORT_NOT_NOEXCEPT)
# define _LIBCPP_VERBOSE_ABORT_NOEXCEPT
#else
# define _LIBCPP_VERBOSE_ABORT_NOEXCEPT _NOEXCEPT
#endif
// This function should never be called directly from the code -- it should only be called through
// the _LIBCPP_VERBOSE_ABORT macro.
[[__noreturn__]] _LIBCPP_AVAILABILITY_VERBOSE_ABORT _LIBCPP_OVERRIDABLE_FUNC_VIS _LIBCPP_ATTRIBUTE_FORMAT(
__printf__, 1, 2) void __libcpp_verbose_abort(const char* __format, ...) _LIBCPP_VERBOSE_ABORT_NOEXCEPT;
__printf__, 1, 2) void __libcpp_verbose_abort(const char* __format, ...) _NOEXCEPT;
// _LIBCPP_VERBOSE_ABORT(format, args...)
//

2
libcxx/src/verbose_abort.cpp
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@ -23,7 +23,7 @@ extern "C" void android_set_abort_message(const char* msg);
_LIBCPP_BEGIN_NAMESPACE_STD
_LIBCPP_WEAK void __libcpp_verbose_abort(char const* format, ...) _LIBCPP_VERBOSE_ABORT_NOEXCEPT {
_LIBCPP_WEAK void __libcpp_verbose_abort(char const* format, ...) noexcept {
// Write message to stderr. We do this before formatting into a
// buffer so that we still get some information out if that fails.
{