https://gcc.gnu.org/bugzilla/show_bug.cgi?id=120198
--- Comment #5 from GCC Commits <cvs-commit at gcc dot gnu.org> --- The releases/gcc-15 branch has been updated by Jonathan Wakely <r...@gcc.gnu.org>: https://gcc.gnu.org/g:d06a800159df2057d8d2fc028a3a90af937d606d commit r15-9665-gd06a800159df2057d8d2fc028a3a90af937d606d Author: Jonathan Wakely <jwak...@redhat.com> Date: Fri May 9 17:50:52 2025 +0100 libstdc++: Restore std::scoped_lock for non-gthreads targets [PR120198] This was a regression introduced with using version.def to define feature test macros (r14-3248-g083b7f2833d71d). std::scoped_lock doesn't need to depend on gthreads and so can be defined unconditionally, even for freestanding. libstdc++-v3/ChangeLog: PR libstdc++/120198 * include/bits/version.def (scoped_lock): Do not depend on gthreads or hosted. * include/bits/version.h: Regenerate. * include/std/mutex (scoped_lock): Update comment. * testsuite/30_threads/scoped_lock/requirements/typedefs.cc: Remove dg-require-gthreads and use custom lockable type instead of std::mutex. Check that typedef is only present for a single template argument. Reviewed-by: Tomasz KamiÅski <tkami...@redhat.com> (cherry picked from commit bdd2753f5f021a15a6c4ef02565356985fea1300)
