| // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
| #include "test.h" |
| |
| // Test for https://github.com/google/sanitizers/issues/602 |
| |
| void *Thread(void *a) { |
| __atomic_store_n((int*)a, 1, __ATOMIC_RELAXED); |
| return 0; |
| } |
| |
| int main() { |
| int *a = new int(0); |
| pthread_t t; |
| pthread_create(&t, 0, Thread, a); |
| while (__atomic_load_n(a, __ATOMIC_RELAXED) == 0) |
| sched_yield(); |
| delete a; |
| pthread_join(t, 0); |
| } |
| |
| // CHECK: WARNING: ThreadSanitizer: data race |
| // CHECK: Write |
| // CHECK: #0 operator delete |
| // CHECK: #1 main |
| |
| // CHECK: Previous atomic write |
| // CHECK: #0 __tsan_atomic32_store |
| // CHECK: #1 Thread |