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