1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2#include <pthread.h>
3#include <stdio.h>
4#include <stddef.h>
5#include <unistd.h>
6
7int x;
8
9void *Thread(void *a) {
10  sleep(1);
11  x = 1;
12  return 0;
13}
14
15int main() {
16  fprintf(stderr, "addr2=%p\n", &x);
17  pthread_t t;
18  pthread_create(&t, 0, Thread, 0);
19  x = 0;
20  pthread_join(t, 0);
21}
22
23// CHECK: addr2=[[ADDR2:0x[0-9,a-f]+]]
24// CHECK: WARNING: ThreadSanitizer: data race
25// CHECK: Location is global 'x' of size 4 at [[ADDR2]] ({{.*}}+0x{{[0-9,a-f]+}})
26
27