1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fdump-tree-fre1" } */
       3  
       4  struct s { int x; };
       5  struct t { int x; };
       6  
       7  void swap(struct s* p, struct t* q)
       8  {
       9    p->x = q->x;
      10    q->x = p->x;
      11  }
      12  
      13  /* The second statement is redundant.  */
      14  /* { dg-final { scan-tree-dump-times "x = " 1 "fre1" { xfail { ! natural_alignment_32 } } } } */
      15  /* { dg-final { scan-tree-dump-times " = \[^;\]*x;" 1 "fre1" } } */