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> 15 void X0<T, Types...>::f0(T) { } 16 17 template<typename T, typename ...Types> 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> 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> 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> 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> 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