1  /* { dg-do compile } */
       2  /* { dg-options "-Wdangling-else" } */
       3  
       4  void bar (int);
       5  void
       6  foo (int a, int b)
       7  {
       8    if (a) /* { dg-warning "suggest explicit braces to avoid ambiguous" } */
       9      if (b)
      10        bar (1);
      11    else
      12      bar (2);
      13  }