1 files changed, 31 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/tsan/atomic_stack.c b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/atomic_stack.c
new file mode 100644
index 000000000..6a3795120
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/atomic_stack.c
@@ -0,0 +1,31 @@
+/* { dg-shouldfail "tsan" } */
+
+#include <pthread.h>
+#include <unistd.h>
+
+int Global;
+
+void *Thread1(void *x) {
+  sleep(1);
+  __atomic_fetch_add(&Global, 1, __ATOMIC_RELAXED);
+  return NULL;
+}
+
+void *Thread2(void *x) {
+  Global++;
+  return NULL;
+}
+
+int main() {
+  pthread_t t[2];
+  pthread_create(&t[0], NULL, Thread1, NULL);
+  pthread_create(&t[1], NULL, Thread2, NULL);
+  pthread_join(t[0], NULL);
+  pthread_join(t[1], NULL);
+  return 0;
+}
+
+/* { dg-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r)" } */
+/* { dg-output "  Atomic write of size 4.*" } */
+/* { dg-output "    #0 __tsan_atomic32_fetch_add.*" } */
+/* { dg-output "    #1 Thread1.*" } */