指针重复释放

int main()
{
	char *name = new char[20];
	memset(name, '\0', sizeof(name));
	char *p1 = NULL;
	char *p2 = NULL;
	p1 = name;
	p2 = name;	
	delete p1;
	delete p2;
	//导致奔溃

	return 0;
}