1 files changed, 20 insertions, 0 deletions
diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/tsan/tls_race.c b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/tls_race.c
new file mode 100644
index 000000000..423867e38
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/tls_race.c
@@ -0,0 +1,20 @@
+/* { dg-shouldfail "tsan" } */
+
+#include <pthread.h>
+#include <stddef.h>
+
+void *Thread(void *a) {
+  *(int*)a = 43;
+  return 0;
+}
+
+int main() {
+  static __thread int Var = 42;
+  pthread_t t;
+  pthread_create(&t, 0, Thread, &Var);
+  Var = 43;
+  pthread_join(t, 0);
+}
+
+/* { dg-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r).*" } */
+/* { dg-output "  Location is TLS of main thread.(\n|\r\n|\r).*" } */