https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103600
--- Comment #7 from Jonathan Wakely <redi at gcc dot gnu.org> --- Created attachment 51946 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=51946&action=edit libstdc++: Implement P1328 "Making std::type_info::operator== constexpr" Jakub, that patch works for me. Here's the libstdc++ patch to make operator== constexpr, which passes with your patch applied.
