1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2#include "test.h"
3
4void *Thread1(void *x) {
5  barrier_wait(&barrier);
6  int *p = (int*)x;
7  p[0] = 1;
8  return NULL;
9}
10
11void *Thread2(void *x) {
12  char *p = (char*)x;
13  p[2] = 1;
14  barrier_wait(&barrier);
15  return NULL;
16}
17
18int main() {
19  barrier_init(&barrier, 2);
20  int *data = new int(42);
21  print_address("ptr1=", 1, data);
22  print_address("ptr2=", 1, (char*)data + 2);
23  pthread_t t[2];
24  pthread_create(&t[0], NULL, Thread1, data);
25  pthread_create(&t[1], NULL, Thread2, data);
26  pthread_join(t[0], NULL);
27  pthread_join(t[1], NULL);
28  delete data;
29}
30
31// CHECK: ptr1=[[PTR1:0x[0-9,a-f]+]]
32// CHECK: ptr2=[[PTR2:0x[0-9,a-f]+]]
33// CHECK: WARNING: ThreadSanitizer: data race
34// CHECK:   Write of size 4 at [[PTR1]] by thread T1:
35// CHECK:   Previous write of size 1 at [[PTR2]] by thread T2:
36