https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64271
--- Comment #9 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Richard Biener from comment #7) > Please submit them by posting them to gcc-patc...@gcc.gnu.org. And please CC libstd...@gcc.gnu.org for the three libstdc++ patches.