[Bug c++/87791] Unnecessary zero-initialization of constexpr unions in arrays

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87791

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
Hmm,
GCC is acting treating `Arr a;` like `Arr a{};`. I have not looked into why
though.