1 files changed, 7 insertions, 1 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
index 423867e38..4dd650604 100644
--- 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
@@ -1,18 +1,24 @@
 /* { dg-shouldfail "tsan" } */
+/* { dg-additional-options "-ldl" } */
 
 #include <pthread.h>
-#include <stddef.h>
+#include "tsan_barrier.h"
+
+static pthread_barrier_t barrier;
 
 void *Thread(void *a) {
+  barrier_wait(&barrier);
   *(int*)a = 43;
   return 0;
 }
 
 int main() {
+  barrier_init(&barrier, 2);
   static __thread int Var = 42;
   pthread_t t;
   pthread_create(&t, 0, Thread, &Var);
   Var = 43;
+  barrier_wait(&barrier);
   pthread_join(t, 0);
 }