1// RUN: %clang_cc1 -std=c++11 -verify %s
2// Per a core issue (no number yet), an ellipsis is always dropped.
3struct A {
4  A(...); // expected-note {{here}}
5  A(int = 0, int = 0, int = 0, int = 0, ...); // expected-note 9{{here}} expected-note 2{{constructor cannot be inherited}}
6  A(int = 0, int = 0, ...); // expected-note {{here}}
7
8  template<typename T> A(T, int = 0, ...); // expected-note 5{{here}}
9
10  template<typename T, int N> A(const T (&)[N]); // expected-note 2{{here}} expected-note {{constructor cannot be inherited}}
11  template<typename T, int N> A(const T (&)[N], int = 0); // expected-note 2{{here}}
12};
13
14struct B : A { // expected-note 6{{candidate}}
15  using A::A; // expected-warning 4{{inheriting constructor does not inherit ellipsis}} expected-note 16{{candidate}} expected-note 3{{deleted constructor was inherited here}}
16};
17
18struct C {} c;
19
20B b0{};
21// expected-error@-1 {{call to implicitly-deleted default constructor of 'B'}}
22// expected-note@-8 {{default constructor of 'B' is implicitly deleted because base class 'A' has multiple default constructors}}
23
24B b1{1};
25// expected-error@-1 {{call to deleted constructor of 'B'}}
26
27B b2{1,2};
28// expected-error@-1 {{call to deleted constructor of 'B'}}
29
30B b3{1,2,3};
31// ok
32
33B b4{1,2,3,4};
34// ok
35
36B b5{1,2,3,4,5};
37// expected-error@-1 {{no matching constructor for initialization of 'B'}}
38
39B b6{c};
40// ok
41
42B b7{c,0};
43// ok
44
45B b8{c,0,1};
46// expected-error@-1 {{no matching constructor}}
47
48B b9{"foo"};
49// FIXME: explain why the inheriting constructor was deleted
50// expected-error@-2 {{call to deleted constructor of 'B'}}
51
52namespace PR15755 {
53  struct X {
54    template<typename...Ts> X(int, Ts...);
55  };
56  struct Y : X {
57    using X::X;
58  };
59  struct Z : Y {
60    using Y::Y;
61  };
62  Z z(0);
63}
64