// 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