1  /* { dg-do compile } */
       2  /* { dg-prune-output "conflicting types for built-in" } */
       3  
       4  void *memmove ();
       5  
       6  void *
       7  bar ()
       8  {
       9    return memmove ();
      10  }
      11  
      12  /* { dg-prune-output "\\\[-Wbuiltin-declaration-mismatch]" } */