1// { dg-do compile }
2// { dg-options "-Wunused-parameter" }
3
4// Copyright (C) 2003 Free Software Foundation, Inc.
5// Contributed by Nathan Sidwell 15 Sep 2003 <nathan@codesourcery.com>
6// Origin: yotamm@mellanox.co.il
7
8
9// PR c++/9848. Missing warning
10
11struct C1 {
12  // Only use in-charge ctor
13  C1(int bi) {}  // { dg-warning "unused parameter" "" }
14};
15struct C2 {
16  // Only use base ctor
17  C2(int bi) {}  // { dg-warning "unused parameter" "" }
18};
19
20struct D : C2
21{
22  D (int) : C2 (1) {}
23};
24
25void show_compile_warning ()
26{
27  C1 c1 (1);
28
29  D d (1);
30}
31