1  /* Undefined nested function should be a error, whether or not the
       2     function is called.  Bug 17807.  */
       3  /* Origin: Joseph Myers <joseph@codesourcery.com> */
       4  /* { dg-do compile } */
       5  /* { dg-options "" } */
       6  
       7  void
       8  f (void)
       9  {
      10    auto int fn (int); /* { dg-error "nested function 'fn' declared but never defined" } */
      11    auto int fn2 (int); /* { dg-error "nested function 'fn2' declared but never defined" } */
      12    sizeof(fn(1));
      13  }
      14  
      15  void
      16  h (void)
      17  {
      18    auto int hn (int); /* { dg-error "nested function 'hn' declared but never defined" } */
      19    hn (1);
      20  }