https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102090
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I don't think inplacement new is valid for constexpr. See PR 61105 also.
pinskia at gcc dot gnu.org via Gcc-bugs Thu, 26 Aug 2021 20:42:14 -0700
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102090
--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> --- I don't think inplacement new is valid for constexpr. See PR 61105 also.