1  struct S { float f; };
       2  int __attribute__((noinline))
       3  foo (int *r, struct S *p)
       4  {
       5    int *q = (int *)&p->f;
       6    int i = *q;
       7    *r = 0;
       8    return i + *q;
       9  }
      10  extern void abort (void);
      11  int main()
      12  {
      13    int i = 1;
      14    if (foo (&i, (struct S *)&i) != 1)
      15      abort ();
      16    return (0);
      17  }