1  /* { dg-do compile } */
       2  /* { dg-options "-O2" } */
       3  
       4  enum
       5  { Failed, NoError, NoDiskette }
       6  a;
       7  int b, c;
       8  void
       9  fn1 ()
      10  {
      11      if (c)
      12          a << 1;
      13      switch (b)
      14      {
      15      default:
      16          a << 1;
      17      case 0:
      18          b = 0;
      19      case 1:
      20      case NoDiskette:
      21          ;
      22      }
      23  }
      24