1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
2#include "test.h"
3#include <pthread.h>
4#include <stdio.h>
5#include <stddef.h>
6
7void *Thread(void *a) {
8 ((int*)a)[0]++;
9 barrier_wait(barrier: &barrier);
10 return NULL;
11}
12
13int main() {
14 barrier_init(barrier: &barrier, count: 2);
15 int *p = new int(42);
16 pthread_t t;
17 pthread_create(newthread: &t, NULL, start_routine: Thread, arg: p);
18 barrier_wait(barrier: &barrier);
19 p[0]++;
20 pthread_join(th: t, NULL);
21 delete p;
22}
23
24// CHECK: WARNING: ThreadSanitizer: data race
25

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