https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71589
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |accepts-invalid
Status|UNCONFIRMED |NEW
Last reconfirmed| |2018-02-21
Ever confirmed|0 |1
--- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Yes this happens because the functions in <stdatomic.h> are defined as macros
which use the __atomic_xxx built-in functions, and they can operate on normal
non-atomic variables.
