https://gcc.gnu.org/bugzilla/show_bug.cgi?id=114865
--- Comment #12 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to Peter Dimov from comment #11)
> So, basically, C++14 and above initialize the padding of
>
> ```
> std::atomic<state_type> state{{ 0, 0x2222 }};
> ```
>
> in `main` to zero, which masks the problem in `generate`. (The problem in
> `generate` still exists because the assembly is identical - it just doesn't
> trigger because the padding is zero. If we manually poke something nonzero
> into the padding, it would (ought to) still break.)
No there is no problem in generate for C++14+ because there is no way to get
the padding non-zero for that variable.
The problem is only with C++11's std::atomic ...
See PR 111077 and such.
