[Bug libstdc++/102377] FAIL: 29_atomics/atomic_flag/cons/56012.cc with -std=gnu++20

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102377

--- Comment #3 from CVS Commits <cvs-commit at gcc dot gnu.org> ---
The master branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>:

https://gcc.gnu.org/g:0e90799071ee78f712f3b58fca7000bc0a258ade

commit r12-4234-g0e90799071ee78f712f3b58fca7000bc0a258ade
Author: Jonathan Wakely <jwak...@redhat.com>
Date:   Thu Oct 7 18:28:04 2021 +0100

    libstdc++: Avoid use of hardware interference non-constant [PR102377]

    libstdc++-v3/ChangeLog:

            PR libstdc++/102377
            * include/bits/atomic_wait.h (__waiter_pool_base:_S_align):
            Hardcode to 64 instead of using non-constant constant.