[Bug c++/114536] wrong constant evaluation of std::bit_cast for bit fields

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114536

--- Comment #1 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
So in the case of bitfields there is a padding bit(s) which are still
uninitialized and this might be undefined at runtime even.