1  /* PR c/51628.  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O" } */
       4  
       5  void foo (int *);
       6  
       7  int *
       8  bar (int n, int k, void *ptr)
       9  {
      10    struct A
      11    {
      12      int c[k];
      13      int x[n];
      14    } __attribute__ ((packed, aligned (4)));
      15    struct A *p = (struct A *) ptr;
      16  
      17    int *p0, *p1;
      18    p0 = p->x;
      19    foo (p0);
      20    p1 = &p->x[1];
      21    foo (p1);
      22    return &p->x[1];
      23  }