[Bug sanitizer/79944] asan: incorrect instrumentation of atomic operations

[dvyukov at google dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=79944

--- Comment #3 from Dmitry Vyukov <dvyukov at google dot com> ---
Created attachment 40918
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=40918&action=edit
reproducer2