llvm-project/compiler-rt/test/tsan/atomic_free2.cpp

21 lines
441 B
C++

// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
#include "test.h"
void *Thread(void *a) {
barrier_wait(&barrier);
__atomic_fetch_add((int*)a, 1, __ATOMIC_SEQ_CST);
return 0;
}
int main() {
barrier_init(&barrier, 2);
int *a = new int(0);
pthread_t t;
pthread_create(&t, 0, Thread, a);
delete a;
barrier_wait(&barrier);
pthread_join(t, 0);
}
// CHECK: WARNING: ThreadSanitizer: heap-use-after-free