1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-fre1" } */
       3  
       4  struct s
       5  {
       6    int *__restrict__ *__restrict__ pp;
       7  };
       8  
       9  int
      10  f (struct s s, int *b)
      11  {
      12    *b = 1;
      13    **s.pp = 2;
      14    return *b;
      15  }
      16  
      17  /* { dg-final { scan-tree-dump-times "return 1" 1 "fre1" } } */