44 lines · cpp
1// RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s2 3// Check for template type parameter pack (mis-)matches with template4// type parameters.5template<typename ...T> struct X0t;6template<typename ...T> struct X0t;7 8template<typename ...T> struct X1t; // expected-note{{previous template type parameter pack declared here}}9template<typename T> struct X1t; // expected-error{{template type parameter conflicts with previous template type parameter pack}}10 11template<typename T> struct X2t; // expected-note{{previous template type parameter declared here}}12template<typename ...T> struct X2t; // expected-error{{template type parameter pack conflicts with previous template type parameter}}13 14template<template<typename ...T> class> struct X0t_intt; 15template<template<typename ...T> class> struct X0t_intt; 16 17template<template<typename ...T> class> struct X1t_intt; // expected-note{{previous template type parameter pack declared here}}18template<template<typename T> class> struct X1t_intt; // expected-error{{template type parameter conflicts with previous template type parameter pack}}19 20template<template<typename T> class> struct X2t_intt; // expected-note{{previous template type parameter declared here}}21template<template<typename ...T> class> struct X2t_intt; // expected-error{{template type parameter pack conflicts with previous template type parameter}}22 23template<int ...Values> struct X1nt; // expected-note{{previous non-type template parameter pack declared here}}24template<int Values> struct X1nt; // expected-error{{non-type template parameter conflicts with previous non-type template parameter pack}}25 26template<template<class T> class> class X1tt; // expected-note{{previous template template parameter declared here}}27template<template<class T> class...> class X1tt; // expected-error{{template template parameter pack conflicts with previous template template parameter}}28 29// Check for matching with out-of-line definitions30namespace rdar8859985 {31 template<typename ...> struct tuple { };32 template<int ...> struct int_tuple { };33 34 template<typename T>35 struct X {36 template<typename ...Args1, int ...Indices1>37 X(tuple<Args1...>, int_tuple<Indices1...>);38 };39 40 template<typename T>41 template<typename ...Args1, int ...Indices1>42 X<T>::X(tuple<Args1...>, int_tuple<Indices1...>) {}43}44