1// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
2// expected-no-diagnostics
3
4// Check for declaration matching with out-of-line declarations and
5// variadic templates, which involves proper computation of the
6// injected-class-name.
7template<typename T, typename ...Types>
8struct X0 {
9  typedef T type;
10
11  void f0(T);
12  type f1(T);
13};
14
15template<typename T, typename ...Types>
16void X0<T, Types...>::f0(T) { }
17
18template<typename T, typename ...Types>
19typename X0<T, Types...>::type X0<T, Types...>::f1(T) { }
20
21template<typename T, typename ...Types>
22struct X0<T, T, Types...> {
23  typedef T* result;
24  result f3();
25
26  template<typename... InnerTypes>
27  struct Inner;
28};
29
30template<typename T, typename ...Types>
31typename X0<T, T, Types...>::result X0<T, T, Types...>::f3() { return 0; }
32
33template<typename T, typename ...Types>
34template<typename ...InnerTypes>
35struct X0<T, T, Types...>::Inner {
36  template<typename ...ReallyInner> void f4();
37};
38
39template<typename T, typename ...Types>
40template<typename ...InnerTypes>
41template<typename ...ReallyInner>
42void X0<T, T, Types...>::Inner<InnerTypes...>::f4() { }
43
44namespace rdar8848837 {
45  // Out-of-line definitions that cause rebuilding in the current
46  // instantiation.
47  template<typename F> struct X;
48
49  template<typename R, typename ...ArgTypes>
50  struct X<R(ArgTypes...)> {
51    X<R(ArgTypes...)> f();
52  };
53
54  template<typename R, typename ...ArgTypes>
55  X<R(ArgTypes...)> X<R(ArgTypes...)>::f() { return *this; }
56
57
58  X<int(float, double)> xif;
59
60  template<unsigned> struct unsigned_c { };
61  template<typename ...ArgTypes> int g(ArgTypes...);
62
63  template<typename F> struct X1;
64
65  template<typename R, typename ...ArgTypes>
66  struct X1<R(ArgTypes...)> {
67    unsigned_c<sizeof(1 + g(ArgTypes()...))> f();
68  };
69
70  template<typename R, typename ...ArgTypes>
71  unsigned_c<sizeof(1 + g(ArgTypes()...))> X1<R(ArgTypes...)>::f() {
72    return unsigned_c<sizeof(int)>();
73  }
74
75  X1<int(float, double)> xif2;
76}
77