[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 #2 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
clang produces:

<source>:3:16: error: consteval function never produces a constant expression
[-Winvalid-constexpr]
consteval auto fuck() {
               ^
<source>:5:23: note: call to placement 'operator new'
    const auto data = new(buf) int(1);
                      ^