https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102229
--- Comment #8 from Jason Merrill <jason at gcc dot gnu.org> --- (In reply to Marek Polacek from comment #6) > Thanks. With the latter interpretation in mind, it seems my earlier fix > should be mitigated so that we allow > > constexpr decltype(auto) > but not > constexpr const decltype(auto) > > Yes? I think so, yes. > Do you want me to raise this with the CWG? Please.