https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93008
--- Comment #18 from Andrew Pinski <pinskia at gcc dot gnu.org> --- Jakub posted constexpr_only which is related attribute here: https://gcc.gnu.org/pipermail/gcc-patches/2025-December/704656.html I am not 100% sure that is the approach we want though ...
