1 | // RUN: %clang_cc1 -fsyntax-only -verify -std=c++11 %s |
2 | |
3 | namespace Old { |
4 | template<template<class> class TT> struct X { }; |
5 | template<class> struct Y { }; |
6 | template<class T> using Z = Y<T>; |
7 | X<Y> y; |
8 | X<Z> z; |
9 | |
10 | using SameType = decltype(y); // expected-note {{here}} |
11 | using SameType = decltype(z); // expected-error {{different types}} |
12 | } |
13 | |
14 | namespace New { |
15 | template<class T> struct X { }; |
16 | template<class> struct Y { }; |
17 | template<class T> using Z = Y<T>; |
18 | X<Y<int>> y; |
19 | X<Z<int>> z; |
20 | |
21 | using SameType = decltype(y); |
22 | using SameType = decltype(z); // ok |
23 | } |
24 | |