https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108836
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- mingw32 is no longer defaults to a single threaded and std::mutex is supported there on the trunk for GCC 13 ....
pinskia at gcc dot gnu.org via Gcc-bugs Fri, 17 Feb 2023 07:39:52 -0800
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=108836
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- mingw32 is no longer defaults to a single threaded and std::mutex is supported there on the trunk for GCC 13 ....