Initial checkin of GCC 4.9.0 from trunk (r208799).

Change-Id: I48a3c08bb98542aa215912a75f03c0890e497dba

1 files changed, 40 insertions, 0 deletions

diff --git a/gcc-4.9/gcc/testsuite/c-c++-common/tsan/mutexset1.c b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/mutexset1.c
new file mode 100644
index 000000000..7c32a8524
--- /dev/null
+++ b/gcc-4.9/gcc/testsuite/c-c++-common/tsan/mutexset1.c
@@ -0,0 +1,40 @@
+/* { dg-shouldfail "tsan" } */
+
+#include <pthread.h>
+#include <stdio.h>
+#include <unistd.h>
+
+int Global;
+pthread_mutex_t mtx;
+
+void *Thread1(void *x) {
+  sleep(1);
+  pthread_mutex_lock(&mtx);
+  Global++;
+  pthread_mutex_unlock(&mtx);
+  return NULL;
+}
+
+void *Thread2(void *x) {
+  Global--;
+  return NULL;/* { dg-output ".*" } */
+
+}
+
+int main() {
+  pthread_mutex_init(&mtx, 0);
+  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);
+  pthread_mutex_destroy(&mtx);
+  return 0;
+}
+
+/* { dg-output "WARNING: ThreadSanitizer: data race.*(\n|\r\n|\r)" } */
+/* { dg-output "  Read of size 4 at 0x\[0-9a-f\]+ by thread T1 \\(mutexes: write M\[0-9\]\\):.*" } */
+/* { dg-output "  Previous write of size 4 at 0x\[0-9a-f\]+ by thread T2:.*" } */
+/* { dg-output "  Mutex M\[0-9\] created at:.*" } */
+/* { dg-output "    #0 pthread_mutex_init.*" } */
+/* { dg-output "    #1 main (.*mutexset1.c|\\?{2}):\[0-9]+.*" } */