1// RUN: %clangxx_tsan %s -o %t
2// RUN: %run %t 2>&1 | FileCheck %s
3
4#include "bench.h"
5
6int x;
7
8void thread(int tid) {
9  for (int i = 0; i < bench_niter; i++)
10    __atomic_fetch_add(&x, 1, __ATOMIC_ACQ_REL);
11}
12
13void bench() {
14  start_thread_group(bench_nthread, thread);
15}
16
17// CHECK: DONE
18
19