1 // RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2 #include "test.h" 3 4 _Atomic(int*) p; 5 6 void *thr(void *a) { 7 barrier_wait(&barrier); 8 int *pp = __c11_atomic_load(&p, __ATOMIC_RELAXED); 9 *pp = 42; 10 return 0; 11 } 12 13 int main() { 14 barrier_init(&barrier, 2); 15 pthread_t th; 16 pthread_create(&th, 0, thr, p); 17 __c11_atomic_store(&p, new int, __ATOMIC_RELAXED); 18 barrier_wait(&barrier); 19 pthread_join(th, 0); 20 } 21 22 // CHECK: data race 23 // CHECK: Previous write 24 // CHECK: #0 operator new 25 // CHECK: Location is heap block 26 // CHECK: #0 operator new 27
