1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
2 
3 // Straight from the standard
4 struct B1 {
5   B1(int); // expected-note {{previous constructor}} expected-note {{conflicting constructor}}
6 };
7 struct B2 {
8   B2(int); // expected-note {{conflicting constructor}}
9 };
10 struct D1 : B1, B2 {
11   using B1::B1; // expected-note {{inherited here}}
12   using B2::B2; // expected-error {{already inherited constructor with the same signature}}
13 };
14 struct D2 : B1, B2 {
15   using B1::B1;
16   using B2::B2;
17   D2(int);
18 };
19 
20 template<typename T> struct B3 {
21   B3(T); // expected-note {{previous constructor}}
22 };
23 template<typename T> struct B4 : B3<T>, B1 {
24   B4();
25   using B3<T>::B3; // expected-note {{inherited here}}
26   using B1::B1; // expected-error {{already inherited}}
27 };
28 B4<char> b4c;
29 B4<int> b4i; // expected-note {{here}}
30 
31 struct B5 {
32   template<typename T> B5(T); // expected-note {{previous constructor}}
33 };
34 struct B6 {
35   template<typename T> B6(T); // expected-note {{conflicting constructor}}
36 };
37 struct B7 {
38   template<typename T, int> B7(T);
39 };
40 struct D56 : B5, B6, B7 {
41   using B5::B5; // expected-note {{inherited here}}
42   using B6::B6; // expected-error {{already inherited}}
43 };
44 struct D57 : B5, B6, B7 {
45   using B5::B5;
46   using B7::B7; // ok, not the same signature
47 };
48