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[libc++][hardening] Use __builtin_verbose_trap if it's available. #84870

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merged 2 commits into from
Jul 12, 2024
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[libc++][hardening] Use __builtin_verbose_trap if it's available. #84870

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ea44fac
[libc++][hardening] Use `__builtin_verbose_trap` if it's available.
var-const Mar 12, 2024
2a930de
Add category to __builtin_verbose_trap
ldionne Jul 10, 2024
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7 changes: 5 additions & 2 deletions libcxx/vendor/llvm/default_assertion_handler.in
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Original file line number Diff line number Diff line change
Expand Up @@ -23,8 +23,11 @@

#else

// TODO(hardening): use `__builtin_verbose_trap(message)` once that becomes available.
# define _LIBCPP_ASSERTION_HANDLER(message) ((void)message, __builtin_trap())
# if __has_builtin(__builtin_verbose_trap)
# define _LIBCPP_ASSERTION_HANDLER(message) (__builtin_verbose_trap(message))
# else
# define _LIBCPP_ASSERTION_HANDLER(message) ((void)message, __builtin_trap())
# endif

#endif // _LIBCPP_HARDENING_MODE == _LIBCPP_HARDENING_MODE_DEBUG

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