https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103934
--- Comment #2 from CVS Commits <cvs-commit at gcc dot gnu.org> --- The master branch has been updated by Thomas Rodgers <rodge...@gcc.gnu.org>: https://gcc.gnu.org/g:a8d769045b43e8509490362865a85cb31a855ccf commit r13-5976-ga8d769045b43e8509490362865a85cb31a855ccf Author: Thomas W Rodgers <rodg...@twrodgers.com> Date: Fri Feb 10 09:35:11 2023 -0800 libstdc++: Add missing free functions for atomic_flag [PR103934] This patch adds - atomic_flag_test atomic_flag_test_explicit Which were missed when commit 491ba6 introduced C++20 atomic flag test. libstdc++-v3/ChangeLog: PR libstdc++/103934 * include/std/atomic (atomic_flag_test): Add. (atomic_flag_test_explicit): Add. * testsuite/29_atomics/atomic_flag/test/explicit.cc: Add test case to cover missing atomic_flag free functions. * testsuite/29_atomics/atomic_flag/test/implicit.cc: Likewise.