1// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
2
3// Tests related to constructor inheriting, but not specified in [class.inhctor]
4
5// [namespace.udecl]p8:
6//   A using-declaration for a class member shall be a member-declaration.
7
8struct B1 {
9  B1(int);
10};
11
12using B1::B1; // expected-error {{using declaration cannot refer to class member}}
13
14// C++11 [namespace.udecl]p10:
15//   A using-declaration is a declaration and can therefore be used repeatedly
16//   where (and only where) multiple declarations are allowed.
17
18struct I1 : B1 {
19  using B1::B1; // expected-note {{previous using declaration}}
20  using B1::B1; // expected-error {{redeclaration of using decl}}
21};
22
23// C++11 [namespace.udecl]p3:
24//   In a using declaration used as a member-declaration, the nested-name-
25//   specifier shall name a base class of the class being defined.
26//   If such a using-declaration names a constructor, the nested-name-specifier
27//   shall name a direct base class of the class being defined.
28
29struct D1 : I1 {
30  using B1::B1; // expected-error {{'B1' is not a direct base of 'D1', cannot inherit constructors}}
31};
32
33template<typename T> struct A {};
34
35template<typename T> struct B : A<bool>, A<char> {
36  using A<T>::A; // expected-error {{'A<double>::', which is not a base class of 'B<double>'}}
37};
38B<bool> bb;
39B<char> bc;
40B<double> bd; // expected-note {{here}}
41
42template<typename T> struct C : A<T> {
43  using A<bool>::A; // expected-error {{'A<bool>::', which is not a base class of 'C<char>'}}
44};
45C<bool> cb;
46C<char> cc; // expected-note {{here}}
47
48template<typename T> struct D : A<T> {};
49template<typename T> struct E : D<T> {
50  using A<bool>::A; // expected-error {{'A<bool>' is not a direct base of 'E<bool>', cannot inherit}}
51};
52E<bool> eb; // expected-note {{here}}
53
54template<typename T> struct F : D<bool> {
55  using A<T>::A; // expected-error {{'A<bool>' is not a direct base of 'F<bool>'}}
56};
57F<bool> fb; // expected-note {{here}}
58
59template<typename T>
60struct G : T {
61  using T::T;
62  G(int &) : G(0) {}
63};
64G<B1> g(123);
65