[Bug libstdc++/102090] Placement-new is not constexpr

[pinskia at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102090

--- Comment #3 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
DR 1312 also mentions something similar with respect to casting to void*.