下面的程序会在哪一行崩溃---指针安全问题

struct S
{
	int i;
	int* p;
};

void main()
{
	struct S s;
	int* p = &s.i;
	p[0] = 3;
	p[1] = 4;
	s.p = p;
	s.p[1] = 1;
	s.p[0] = 2;
}

----选自《程序员面试宝典》P72