[Bug libstdc++/122410] std::atomic and std::atomic_ref not correctly aligned for some targets

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122410

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
We should also ensure this is sufficiently aligned, in bits/atomic_wait.h:

    inline constexpr size_t __platform_wait_alignment
      = __alignof__(__platform_wait_t);