Xamarin Public Jenkins (auto-signing) 468663ddbb Imported Upstream version 6.10.0.49
Former-commit-id: 1d6753294b2993e1fbf92de9366bb9544db4189b
2020-01-16 16:38:04 +00:00

27 lines
573 B
C++

// 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