[Bug c++/57926] Atomic functions broken with C++ but not C?

[jason at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57926

--- Comment #8 from Jason Merrill <jason at gcc dot gnu.org> ---
I don't know how exactly these builtins interact with overload resolution, but
it should be calling decay_conversion to turn arrays into pointers.