[Bug c++/121670] Replacement of integer constant with sizeof(int) makes an expression not constexpr

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=121670

--- Comment #1 from Richard Biener <rguenth at gcc dot gnu.org> ---
possibly different internal representations are used (&MEM[&a + 4] maybe?)