1 // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
2
3 // Check for declaration matching with out-of-line declarations and
4 // variadic templates, which involves proper computation of the
5 // injected-class-name.
6 template<typename T, typename ...Types>
7 struct X0 {
8 typedef T type;
9
10 void f0(T);
11 type f1(T);
12 };
13
14 template<typename T, typename ...Types>
f0(T)15 void X0<T, Types...>::f0(T) { }
16
17 template<typename T, typename ...Types>
f1(T)18 typename X0<T, Types...>::type X0<T, Types...>::f1(T) { }
19
20 template<typename T, typename ...Types>
21 struct X0<T, T, Types...> {
22 typedef T* result;
23 result f3();
24
25 template<typename... InnerTypes>
26 struct Inner;
27 };
28
29 template<typename T, typename ...Types>
f3()30 typename X0<T, T, Types...>::result X0<T, T, Types...>::f3() { return 0; }
31
32 template<typename T, typename ...Types>
33 template<typename ...InnerTypes>
34 struct X0<T, T, Types...>::Inner {
35 template<typename ...ReallyInner> void f4();
36 };
37
38 template<typename T, typename ...Types>
39 template<typename ...InnerTypes>
40 template<typename ...ReallyInner>
f4()41 void X0<T, T, Types...>::Inner<InnerTypes...>::f4() { }
42
43 namespace rdar8848837 {
44 // Out-of-line definitions that cause rebuilding in the current
45 // instantiation.
46 template<typename F> struct X;
47
48 template<typename R, typename ...ArgTypes>
49 struct X<R(ArgTypes...)> {
50 X<R(ArgTypes...)> f();
51 };
52
53 template<typename R, typename ...ArgTypes>
f()54 X<R(ArgTypes...)> X<R(ArgTypes...)>::f() { return *this; }
55
56
57 X<int(float, double)> xif;
58
59 template<unsigned> struct unsigned_c { };
60 template<typename ...ArgTypes> int g(ArgTypes...);
61
62 template<typename F> struct X1;
63
64 template<typename R, typename ...ArgTypes>
65 struct X1<R(ArgTypes...)> {
66 unsigned_c<sizeof(1 + g(ArgTypes()...))> f();
67 };
68
69 template<typename R, typename ...ArgTypes>
f()70 unsigned_c<sizeof(1 + g(ArgTypes()...))> X1<R(ArgTypes...)>::f() {
71 return unsigned_c<sizeof(int)>();
72 }
73
74 X1<int(float, double)> xif2;
75 }
76