1  /* { dg-do compile } */ 
       2  /* { dg-options "-O2 -fdump-tree-dce2" } */
       3  void
       4  cleanup (int a, int b)
       5  {
       6    if (a)
       7      if (b)
       8        a = 1;
       9      else
      10        b = 1;
      11    else if (a)
      12      a = 1;
      13    else
      14      b = 1;
      15    return;
      16  }
      17  /* Dce should get rid of the initializers and cfgcleanup should elliminate ifs  */
      18  /* { dg-final { scan-tree-dump-times "if " 0 "dce2"} } */