1f4a2713aSLionel Sambuc // RUN: %clang_cc1 -std=c++11 -verify %s 2f4a2713aSLionel Sambuc 3f4a2713aSLionel Sambuc // From core issue 1227. 4f4a2713aSLionel Sambuc 5f4a2713aSLionel Sambuc template <class T> struct A { using X = typename T::X; }; // expected-error {{no members}} 6f4a2713aSLionel Sambuc template <class T> typename T::X f(typename A<T>::X); f(...)7f4a2713aSLionel Sambuctemplate <class T> void f(...) {} 8*0a6a1f1dSLionel Sambuc template <class T> auto g(typename A<T>::X) -> typename T::X; // expected-note {{here}} g(...)9f4a2713aSLionel Sambuctemplate <class T> void g(...) {} 10f4a2713aSLionel Sambuc h()11f4a2713aSLionel Sambucvoid h() 12f4a2713aSLionel Sambuc { 13f4a2713aSLionel Sambuc f<int>(0); // ok, SFINAE in return type 14*0a6a1f1dSLionel Sambuc g<int>(0); // not ok, substitution inside A<int> is a hard error // expected-note {{substituting}} 15f4a2713aSLionel Sambuc } 16