1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2#include <pthread.h>
3#include <unistd.h>
4
5void *Thread(void *a) {
6  sleep(1);
7  __atomic_fetch_add((int*)a, 1, __ATOMIC_SEQ_CST);
8  return 0;
9}
10
11int main() {
12  int *a = new int(0);
13  pthread_t t;
14  pthread_create(&t, 0, Thread, a);
15  delete a;
16  pthread_join(t, 0);
17}
18
19// CHECK: WARNING: ThreadSanitizer: heap-use-after-free
20