[Bug libstdc++/121046] Asking is_constructible_v, NonTrivial*> is ill-formed

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121046

--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> ---
https://cplusplus.github.io/LWG/issue4294