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// RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s
namespace Old {
template<template<class> class TT> struct X { };
template<class> struct Y { };
template<class T> using Z = Y<T>;
X<Y> y;
X<Z> z;
using SameType = decltype(y); // expected-note {{here}}
using SameType = decltype(z); // expected-error {{different types}}
}
namespace New {
template<class T> struct X { };
template<class> struct Y { };
template<class T> using Z = Y<T>;
X<Y<int>> y;
X<Z<int>> z;
using SameType = decltype(y);
using SameType = decltype(z); // ok
}
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