1  /* { dg-do compile } */
       2  /* { dg-options "-O2 -fno-tree-vrp -fdump-tree-dom-details" } */
       3  
       4  
       5  int f(int x, int y)
       6  {
       7    int ret;
       8    if (x == y)
       9      ret = x - y;
      10    else
      11      ret = 1;
      12  
      13    return ret;
      14  }
      15  
      16  /* { dg-final { scan-tree-dump "Replaced redundant expr \[^\r\n\]* with .0."  "dom2" } } */