1  /* { dg-do run } */
       2  
       3  struct A
       4  {
       5    int i;
       6  };
       7  
       8  struct B
       9  {
      10    struct A a[2];
      11  };
      12  
      13  int i = 1;
      14  struct B b = { 0, 3 };
      15  
      16  static void
      17  test ()
      18  {
      19    if (b.a[0].i != i)
      20      {
      21        int t = b.a[0].i;
      22        b.a[0] = b.a[1];
      23        b.a[1].i = t;
      24      }
      25  
      26    if (b.a[1].i == i)
      27      __builtin_abort ();
      28  
      29    if (b.a[0].i == 0)
      30      __builtin_abort ();
      31  }
      32  
      33  int
      34  main ()
      35  {
      36    test ();
      37    return 0;
      38  }
      39