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.
7 template<typename T, typename ...Types>
8 struct X0 {
9 typedef T type;
10
11 void f0(T);
12 type f1(T);
13 };
14
15 template<typename T, typename ...Types>
f0(T)16 void X0<T, Types...>::f0(T) { }
17
18 template<typename T, typename ...Types>
f1(T)19 typename X0<T, Types...>::type X0<T, Types...>::f1(T) { }
20
21 template<typename T, typename ...Types>
22 struct X0<T, T, Types...> {
23 typedef T* result;
24 result f3();
25
26 template<typename... InnerTypes>
27 struct Inner;
28 };
29
30 template<typename T, typename ...Types>
f3()31 typename X0<T, T, Types...>::result X0<T, T, Types...>::f3() { return 0; }
32
33 template<typename T, typename ...Types>
34 template<typename ...InnerTypes>
35 struct X0<T, T, Types...>::Inner {
36 template<typename ...ReallyInner> void f4();
37 };
38
39 template<typename T, typename ...Types>
40 template<typename ...InnerTypes>
41 template<typename ...ReallyInner>
f4()42 void X0<T, T, Types...>::Inner<InnerTypes...>::f4() { }
43
44 namespace 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>
f()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>
f()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