https://gcc.gnu.org/bugzilla/show_bug.cgi?id=118428
--- Comment #2 from Andrew Pinski <pinskia at gcc dot gnu.org> --- https://www.open-std.org/jtc1/sc22/wg21/docs/cwg_closed.html#7 Hmm, it looks like GCC started to accept it after the defect report was filed and then closed as NAD.