| // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s |
| #include "test.h" |
| |
| _Atomic(int*) p; |
| |
| void *thr(void *a) { |
| barrier_wait(&barrier); |
| int *pp = __c11_atomic_load(&p, __ATOMIC_RELAXED); |
| *pp = 42; |
| return 0; |
| } |
| |
| int main() { |
| barrier_init(&barrier, 2); |
| pthread_t th; |
| pthread_create(&th, 0, thr, p); |
| __c11_atomic_store(&p, new int, __ATOMIC_RELAXED); |
| barrier_wait(&barrier); |
| pthread_join(th, 0); |
| } |
| |
| // CHECK: data race |
| // CHECK: Previous write |
| // CHECK: #0 operator new |
| // CHECK: Location is heap block |
| // CHECK: #0 operator new |
