https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109291
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to ncm from comment #2) > CWG 1430 is still marked Open, and is anyway only superficially > analogous. Here, there is no need for an alias to be encoded > into a type signature. Right and yes PR 59498 is still open so ...