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libstdc++: Make Asan detection work for Clang [PR103453] 

Clang doesn't define __SANITIZE_ADDRESS__ so use its __has_feature check
to detect Asan instead.

libstdc++-v3/ChangeLog:

	PR libstdc++/103453
	* config/allocator/malloc_allocator_base.h
	(_GLIBCXX_SANITIZE_STD_ALLOCATOR): Define for Clang.
	* config/allocator/new_allocator_base.h
	(_GLIBCXX_SANITIZE_STD_ALLOCATOR): Likewise.
This commit is contained in:
Jonathan Wakely 2021-11-30 13:14:38 +00:00
parent 36421e76a7
commit cca6090b13
2 changed files with 16 additions and 4 deletions
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10
libstdc++-v3/config/allocator/malloc_allocator_base.h
View File

@ -52,8 +52,14 @@ namespace std
# define __allocator_base __gnu_cxx::malloc_allocator
#endif
#if defined(__SANITIZE_ADDRESS__) && !defined(_GLIBCXX_SANITIZE_STD_ALLOCATOR)
# define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1
#ifndef _GLIBCXX_SANITIZE_STD_ALLOCATOR
# if defined(__SANITIZE_ADDRESS__)
# define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1
# elif defined __has_feature
# if __has_feature(address_sanitizer)
# define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1
# endif
# endif
#endif
#endif

10
libstdc++-v3/config/allocator/new_allocator_base.h
View File

@ -52,8 +52,14 @@ namespace std
# define __allocator_base __gnu_cxx::new_allocator
#endif
#if defined(__SANITIZE_ADDRESS__) && !defined(_GLIBCXX_SANITIZE_STD_ALLOCATOR)
# define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1
#ifndef _GLIBCXX_SANITIZE_STD_ALLOCATOR
# if defined(__SANITIZE_ADDRESS__)
# define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1
# elif defined __has_feature
# if __has_feature(address_sanitizer)
# define _GLIBCXX_SANITIZE_STD_ALLOCATOR 1
# endif
# endif
#endif
#endif