[Bug libstdc++/103453] ASAN detection with clang

[cvs-commit at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103453

--- Comment #11 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The releases/gcc-11 branch has been updated by Jonathan Wakely
<r...@gcc.gnu.org>:

https://gcc.gnu.org/g:ad54d3fb8f09babc43ea46a93cc73cd623fe822f

commit r11-9436-gad54d3fb8f09babc43ea46a93cc73cd623fe822f
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Tue Nov 30 13:14:38 2021 +0000

    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.

    (cherry picked from commit cca6090b13ab503bef1cfa327e2d107789d6bd30)