1// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s 2#include "test.h" 3 4_Atomic(int*) p; 5 6void *thr(void *a) { 7 barrier_wait(&barrier); 8 int *pp = __c11_atomic_load(&p, __ATOMIC_RELAXED); 9 *pp = 42; 10 return 0; 11} 12 13int 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