| 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 | |