injected-class-name.cpp
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// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s
// expected-no-diagnostics
// Check for declaration matching with out-of-line declarations and
// variadic templates, which involves proper computation of the
// injected-class-name.
template<typename T, typename ...Types>
struct X0 {
typedef T type;
void f0(T);
type f1(T);
};
template<typename T, typename ...Types>
void X0<T, Types...>::f0(T) { }
template<typename T, typename ...Types>
typename X0<T, Types...>::type X0<T, Types...>::f1(T) { }
template<typename T, typename ...Types>
struct X0<T, T, Types...> {
typedef T* result;
result f3();
template<typename... InnerTypes>
struct Inner;
};
template<typename T, typename ...Types>
typename X0<T, T, Types...>::result X0<T, T, Types...>::f3() { return 0; }
template<typename T, typename ...Types>
template<typename ...InnerTypes>
struct X0<T, T, Types...>::Inner {
template<typename ...ReallyInner> void f4();
};
template<typename T, typename ...Types>
template<typename ...InnerTypes>
template<typename ...ReallyInner>
void X0<T, T, Types...>::Inner<InnerTypes...>::f4() { }
namespace rdar8848837 {
// Out-of-line definitions that cause rebuilding in the current
// instantiation.
template<typename F> struct X;
template<typename R, typename ...ArgTypes>
struct X<R(ArgTypes...)> {
X<R(ArgTypes...)> f();
};
template<typename R, typename ...ArgTypes>
X<R(ArgTypes...)> X<R(ArgTypes...)>::f() { return *this; }
X<int(float, double)> xif;
template<unsigned> struct unsigned_c { };
template<typename ...ArgTypes> int g(ArgTypes...);
template<typename F> struct X1;
template<typename R, typename ...ArgTypes>
struct X1<R(ArgTypes...)> {
unsigned_c<sizeof(1 + g(ArgTypes()...))> f();
};
template<typename R, typename ...ArgTypes>
unsigned_c<sizeof(1 + g(ArgTypes()...))> X1<R(ArgTypes...)>::f() {
return unsigned_c<sizeof(int)>();
}
X1<int(float, double)> xif2;
}