Check in LLVM r95781.
diff --git a/test/SemaTemplate/template-decl-fail.cpp b/test/SemaTemplate/template-decl-fail.cpp
new file mode 100644
index 0000000..a298c6d
--- /dev/null
+++ b/test/SemaTemplate/template-decl-fail.cpp
@@ -0,0 +1,3 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s
+
+template<typename T> typedef T X; // expected-error{{typedef cannot be a template}}