commit 799172d60d32feb1acba1a6867f3a9c39a999e5c
author Pirama Arumuga Nainar <pirama@google.com> Thu Mar 03 15:50:30 2016 -0800
committer Stephen Hines <srhines@google.com> Thu Mar 17 19:14:41 2016 -0700
tree cc686572cfe607383e49f556b69ebb748ceb7a14
parent dec793732650d7d4d5f66511ec59f04a451315fa

Update aosp/master compiler-rt for rebase to r256229

http://b/26987366

Change-Id: I0ca3d7d3f1b7926fcffcb5b467e79958de576437

lib/builtins/atomic_flag_clear_explicit.c

diff --git a/lib/builtins/atomic_flag_clear_explicit.c b/lib/builtins/atomic_flag_clear_explicit.c
index 0f7859c..1059b78 100644
--- a/lib/builtins/atomic_flag_clear_explicit.c
+++ b/lib/builtins/atomic_flag_clear_explicit.c
@@ -12,9 +12,17 @@
  *===------------------------------------------------------------------------===
  */
 
+#ifndef __has_include
+#define __has_include(inc) 0
+#endif
+
+#if __has_include(<stdatomic.h>)
+
 #include <stdatomic.h>
 #undef atomic_flag_clear_explicit
 void atomic_flag_clear_explicit(volatile atomic_flag *object,
                                 memory_order order) {
-  return __c11_atomic_store(&(object)->_Value, 0, order);
+  __c11_atomic_store(&(object)->_Value, 0, order);
 }
+
+#endif