1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2#include "test.h"
3
4void *Thread(void *a) {
5 barrier_wait(barrier: &barrier);
6 ((int *)a)[1] = 43;
7 return 0;
8}
9
10int main() {
11 barrier_init(barrier: &barrier, count: 2);
12 int Arr[2] = {41, 42};
13 pthread_t t;
14 pthread_create(newthread: &t, attr: 0, start_routine: Thread, arg: &Arr[0]);
15 Arr[1] = 43;
16 barrier_wait(barrier: &barrier);
17 pthread_join(th: t, thread_return: 0);
18}
19
20// CHECK: WARNING: ThreadSanitizer: data race
21// CHECK: Location is stack of main thread.
22

source code of compiler-rt/test/tsan/stack_race3.cpp