[Bug libstdc++/121180] std::any allows for creating multiple empty objects of the same type at the same address

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121180

--- Comment #12 from Tomasz Kamiński <tkaminsk at gcc dot gnu.org> ---
The core issue is https://cplusplus.github.io/CWG/issues/2744.html