1 files changed, 15 insertions, 0 deletions
diff --git a/clang/test/SemaTemplate/instantiation-order.cpp b/clang/test/SemaTemplate/instantiation-order.cpp
new file mode 100644
index 0000000..e058a5b
--- /dev/null
+++ b/clang/test/SemaTemplate/instantiation-order.cpp
@@ -0,0 +1,15 @@
+// RUN: %clang_cc1 -std=c++11 -verify %s
+
+// From core issue 1227.
+
+template <class T> struct A { using X = typename T::X; }; // expected-error {{no members}}
+template <class T> typename T::X f(typename A<T>::X);
+template <class T> void f(...) {}
+template <class T> auto g(typename A<T>::X) -> typename T::X; // expected-note {{here}} expected-note {{substituting}}
+template <class T> void g(...) {}
+
+void h()
+{
+  f<int>(0); // ok, SFINAE in return type
+  g<int>(0); // not ok, substitution inside A<int> is a hard error
+}