1 | // RUN: %clang_cc1 -std=c++11 -fsyntax-only -verify %s |
2 | |
3 | // The example given in the standard (this is rejected for other reasons anyway). |
4 | template<class T> struct A; |
5 | template<class T> using B = typename A<T>::U; // expected-error {{no type named 'U' in 'A<T>'}} |
6 | template<class T> struct A { |
7 | typedef B<T> U; // expected-note {{in instantiation of template type alias 'B' requested here}} |
8 | }; |
9 | B<short> b; |
10 | |
11 | template<typename T> using U = int; |
12 | |
13 | template<typename ...T> void f(U<T> ...xs); |
14 | void g() { f<void,void,void>(1, 2, 3); } |
15 | |
16 | // FIXME: This is illegal, but probably only because CWG1044 missed this paragraph. |
17 | template<typename T> using U = U<T>; |
18 | |