https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117450
--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> --- (In reply to Marek Polacek from comment #2) > (In reply to Andrew Pinski from comment #1) > > This is a dup ... > > Of? I went through all the PRs with "decltype" in their title and didn't > find it. PR 77815 .