[PATCH] asan: fix atomic operations on ARM

[Evgeniy Stepanov]

  LGTM


================
Comment at: lib/sanitizer_common/sanitizer_atomic.h:40
@@ -39,3 +39,3 @@
 
 struct atomic_uint32_t {
   typedef u32 Type;
----------------
It would be nice to rename the rest of these to _s + typedef, but that's optional.


http://llvm-reviews.chandlerc.com/D2582