[Bug libstdc++/111077] atomic_ref compare_exchange_strong doesn't properly ignore padding bits

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=111077

--- Comment #6 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Andrew Pinski from comment #5)
> See 
> https://gcc.gnu.org/pipermail/libstdc++/2022-October/054899.html
> 
> Also

This is just a buggy test.