1 | // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s |
2 | // |
3 | // Note: [class.inhctor] was removed by P0136R1. This tests the new behavior |
4 | // for the wording that used to be there. |
5 | |
6 | struct B1 { |
7 | B1(int); // expected-note 3{{target of using}} |
8 | B1(int, int); // expected-note 3{{target of using}} |
9 | }; |
10 | struct D1 : B1 { |
11 | using B1::B1; |
12 | }; |
13 | D1 d1a(1), d1b(1, 1); |
14 | |
15 | D1 fd1() { return 1; } |
16 | |
17 | struct B2 { |
18 | explicit B2(int, int = 0, int = 0); |
19 | }; |
20 | struct D2 : B2 { // expected-note 2{{candidate constructor}} |
21 | using B2::B2; |
22 | }; |
23 | D2 d2a(1), d2b(1, 1), d2c(1, 1, 1); |
24 | |
25 | D2 fd2() { return 1; } // expected-error {{no viable conversion}} |
26 | |
27 | struct B3 { |
28 | B3(void*); // expected-note {{candidate}} |
29 | }; |
30 | struct D3 : B3 { // expected-note 2{{candidate constructor}} |
31 | using B3::B3; // expected-note {{inherited here}} |
32 | }; |
33 | D3 fd3() { return 1; } // expected-error {{no viable conversion}} |
34 | |
35 | template<typename T> struct T1 : B1 { |
36 | using B1::B1; // expected-note 2{{using declaration}} |
37 | }; |
38 | template<typename T> struct T2 : T1<T> { |
39 | using T1<int>::T1; // expected-note 2{{using declaration}} |
40 | }; |
41 | template<typename T> struct T3 : T1<int> { |
42 | using T1<T>::T1; // expected-note 2{{using declaration}} |
43 | }; |
44 | struct U { |
45 | // [dcl.meaning]p1: "the member shall not merely hav ebeen introduced by a |
46 | // using-declaration in the scope of the class [...] nominated by the |
47 | // nested-name-specifier of the declarator-id" |
48 | friend T1<int>::T1(int); // expected-error {{cannot befriend target of using declaration}} |
49 | friend T1<int>::T1(int, int); // expected-error {{cannot befriend target of using declaration}} |
50 | friend T2<int>::T2(int); // expected-error {{cannot befriend target of using declaration}} |
51 | friend T2<int>::T2(int, int); // expected-error {{cannot befriend target of using declaration}} |
52 | friend T3<int>::T3(int); // expected-error {{cannot befriend target of using declaration}} |
53 | friend T3<int>::T3(int, int); // expected-error {{cannot befriend target of using declaration}} |
54 | }; |
55 | |
56 | struct B4 { |
57 | template<typename T> explicit B4(T, int = 0); // expected-note 2{{here}} |
58 | }; |
59 | template<typename T> struct T4 : B4 { |
60 | using B4::B4; |
61 | template<typename U> T4(U); |
62 | }; |
63 | template<typename T> struct U4 : T4<T> { |
64 | using T4<T>::T4; |
65 | }; |
66 | T4<void> t4a = {0}; |
67 | T4<void> t4b = {0, 0}; // expected-error {{chosen constructor is explicit}} |
68 | U4<void> u4a = {0}; |
69 | U4<void> u4b = {0, 0}; // expected-error {{chosen constructor is explicit}} |
70 | |