[Bug libstdc++/54005] Use __atomic_always_lock_free in libstdc++ is_lock_free instead of __atomic_is_lock_free

[redi at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=54005

--- Comment #37 from Jonathan Wakely <redi at gcc dot gnu.org> ---
(In reply to Hans-Peter Nilsson from comment #36)
> Either I goofed on the ChangeLog markup

I think it's because you use "PR libstdc++-v3/nnnnn" not "PR libstdc++/nnnnn"

> As the tests I wrote have no bearing on the code change, I did not commit
> them.
> (If you still want them committed, please tell.)

No need. Thanks.