1// RUN: %clang_cc1 -std=c++11 -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
6template<int> struct X {};
7
8// A[n inheriting] constructor [...] has the same access as the corresponding
9// constructor [in the base class].
10struct A {
11public:
12  A(X<0>) {}
13protected:
14  A(X<1>) {} // expected-note 2{{declared protected here}}
15private:
16  A(X<2>) {} // expected-note 2{{declared private here}}
17  friend class FA;
18};
19
20struct B : A {
21  using A::A;
22  friend class FB;
23};
24
25B b0{X<0>{}};
26B b1{X<1>{}}; // expected-error {{calling a protected constructor}}
27B b2{X<2>{}}; // expected-error {{calling a private constructor}}
28
29struct C : B {
30  C(X<0> x) : B(x) {}
31  C(X<1> x) : B(x) {}
32};
33
34struct FB {
35  B b0{X<0>{}};
36  B b1{X<1>{}};
37};
38
39struct FA : A {
40  using A::A;
41};
42FA fa0{X<0>{}};
43FA fa1{X<1>{}}; // expected-error {{calling a protected constructor}}
44FA fa2{X<2>{}}; // expected-error {{calling a private constructor}}
45
46
47// It is deleted if the corresponding constructor [...] is deleted.
48struct G {
49  G(int) = delete; // expected-note {{'G' has been explicitly marked deleted here}}
50  template<typename T> G(T*) = delete; // expected-note {{'G<const char>' has been explicitly marked deleted here}}
51};
52struct H : G {
53  using G::G;
54};
55H h1(5); // expected-error {{call to deleted constructor of 'H'}}
56H h2("foo"); // expected-error {{call to deleted constructor of 'H'}}
57
58
59// Core defect: It is also deleted if multiple base constructors generate the
60// same signature.
61namespace DRnnnn {
62  struct A {
63    constexpr A(int, float = 0) {} // expected-note {{candidate}}
64    explicit A(int, int = 0) {} // expected-note {{candidate}}
65
66    A(int, int, int = 0) = delete; // expected-note {{deleted}}
67  };
68  struct B : A {
69    using A::A; // expected-note 3{{inherited here}}
70  };
71
72  constexpr B b0(0, 0.0f); // ok, constexpr
73  B b1(0, 1); // expected-error {{call to constructor of 'DRnnnn::B' is ambiguous}}
74}
75