[Bug c++/99637] bit_cast doesn't work with padding bits and it should

[hanicka at hanicka dot net via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99637

--- Comment #2 from Hana Dusíková <hanicka at hanicka dot net> ---
I know this is not an argument but MSVC accepts this code, meanwhile I'm asking
Richard what to do about it.