https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109849
--- Comment #29 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Jonathan Wakely from comment #28) > (In reply to Martin Jambor from comment #27) > > Can you please try if > > https://gcc.gnu.org/pipermail/gcc-patches/2023-November/638318.html > > fixes this? > > Testing now ... Yes, this fixes 21_strings/basic_string/operators/char/* and 28_regex/basic_regex/106607.cc Running the full testsuite now...