forked from OSchip/llvm-project
24 lines
1.1 KiB
C++
24 lines
1.1 KiB
C++
// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
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template<typename T> using A = int; // expected-note 2{{previous}}
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template<typename T> using A = char; // expected-error {{type alias template redefinition with different types ('char' vs 'int')}}
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template<typename T1, typename T2> using A = T1; // expected-error {{too many template parameters in template redeclaration}}
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template<typename T1, typename T2> using B = T1; // expected-note {{previous}}
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template<typename T2, typename T1> using B = T1; // expected-error {{type alias template redefinition with different types ('T1' (aka 'type-parameter-0-1') vs 'T1' (aka 'type-parameter-0-0'))}}
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template<typename> struct S;
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template<template<typename> class F> using FInt = F<int>;
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template<typename X> using SXRInt = FInt<S<X>::template R>;
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template<typename X> using SXRInt = typename S<X>::template R<int>; // ok, redeclaration.
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template<template<typename> class> struct TT;
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namespace FilterLookup {
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TT<A> f(); // expected-note {{previous declaration is here}}
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template<typename> using A = int;
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TT<A> f(); // expected-error {{functions that differ only in their return type cannot be overloaded}}
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}
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