https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102350
--- Comment #19 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Jakub Jelinek from comment #14) > As for std::experimental::source_location, could we change ABI of those? Yes, we don't promise stability between major releases for the experimental stuff (although in practice it doesn't change).