1 files changed, 17 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/gcc.dg/atomic-lockfree-aux.c b/gcc-4.9/gcc/testsuite/gcc.dg/atomic-lockfree-aux.c
new file mode 100644
index 000000000..0ea872c30
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/gcc.dg/atomic-lockfree-aux.c
@@ -0,0 +1,17 @@
+/* Test supply a __atomic_is_lock_free routine for lock-free tests.  */
+/* Just compile it on its own.  */
+/* { dg-do compile } */
+/* { dg-options "-w" } */
+
+/* Test that __atomic_{is,always}_lock_free builtins execute.  */
+
+#include <stdlib.h>
+
+/* Supply a builtin external function which returns a non-standard value so
+   it can be detected that it was called.  */
+int 
+__atomic_is_lock_free (size_t s, void *p)
+{
+  return 2;
+}
+