[Bug c++/119666] Incorrect constant propagation of 'const' variable with [[gnu::weak]] attribute

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119666

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
In C const is something significantly different.
In C++ I think we also constant evaluate weak constexpr functions, etc.