[Bug libstdc++/122380] [15/16 regression] std::variant with std::vectors of differing types may lead to double frees

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122380

--- Comment #9 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
>  - compiling with -fno-strict-aliasing (but I can't see anything in the 
> example that obviously runs afoul of aliasing rules).

It might be a modref issue ...