1// RUN: %clangxx_tsan %darwin_min_target_with_tls_support -O1 %s -o %t && \
2// RUN: %deflake %run %t | \
3// RUN: FileCheck %s --check-prefix=CHECK-%os --check-prefix=CHECK
4#include "test.h"
5
6void *Thread(void *a) {
7 barrier_wait(&barrier);
8 *(int*)a = 43;
9 return 0;
10}
11
12int main() {
13 barrier_init(&barrier, 2);
14 static __thread int Var = 42;
15 pthread_t t;
16 pthread_create(&t, 0, Thread, &Var);
17 Var = 43;
18 barrier_wait(&barrier);
19 pthread_join(t, 0);
20}
21
22// CHECK: WARNING: ThreadSanitizer: data race
23// CHECK-Linux: Location is TLS of main thread.
24// CHECK-FreeBSD: Location is TLS of main thread.
25// CHECK-NetBSD: Location is TLS of main thread.
26// CHECK-Darwin: Location is heap block of size 4
27