1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2#include "test.h"
3
4void *Thread2(void *a) {
5  barrier_wait(&barrier);
6  *(int*)a = 43;
7  return 0;
8}
9
10void *Thread(void *a) {
11  int Var = 42;
12  pthread_t t;
13  pthread_create(&t, 0, Thread2, &Var);
14  Var = 42;
15  barrier_wait(&barrier);
16  pthread_join(t, 0);
17  return 0;
18}
19
20int main() {
21  barrier_init(&barrier, 2);
22  pthread_t t;
23  pthread_create(&t, 0, Thread, 0);
24  pthread_join(t, 0);
25}
26
27// CHECK: WARNING: ThreadSanitizer: data race
28// CHECK:   Location is stack of thread T1.
29
30