llvm-project/compiler-rt/test/tsan/vptr_harmful_race4.cc

35 lines
534 B
C++

// RUN: %clangxx_tsan -O1 %s -o %t && %deflake %run %t | FileCheck %s
#include "test.h"
struct A {
virtual void F() {
}
virtual ~A() {
}
};
struct B : A {
virtual void F() {
}
};
void *Thread(void *x) {
barrier_wait(&barrier);
((A*)x)->F();
return 0;
}
int main() {
barrier_init(&barrier, 2);
A *obj = new B;
pthread_t t;
pthread_create(&t, 0, Thread, obj);
delete obj;
barrier_wait(&barrier);
pthread_join(t, 0);
}
// CHECK: WARNING: ThreadSanitizer: heap-use-after-free (virtual call vs free)