Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 32 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/tsan/race_on_barrier.c b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/race_on_barrier.c
new file mode 100644
index 000000000..0a0e5faba
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/race_on_barrier.c
@@ -0,0 +1,32 @@
+/* { dg-shouldfail "tsan" } */
+
+#include <pthread.h>
+#include <stdio.h>
+#include <stddef.h>
+#include <unistd.h>
+
+pthread_barrier_t B;
+int Global;
+
+void *Thread1(void *x) {
+  pthread_barrier_init(&B, 0, 2);
+  pthread_barrier_wait(&B);
+  return NULL;
+}
+
+void *Thread2(void *x) {
+  sleep(1);
+  pthread_barrier_wait(&B);
+  return NULL;
+}
+
+int main() {
+  pthread_t t;
+  pthread_create(&t, NULL, Thread1, NULL);
+  Thread2(0);
+  pthread_join(t, NULL);
+  pthread_barrier_destroy(&B);
+  return 0;
+}
+
+/* { dg-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r)" } */