Check in LLVM r95781.
diff --git a/test/SemaTemplate/variadic-parse.cpp b/test/SemaTemplate/variadic-parse.cpp
new file mode 100644
index 0000000..d8b77b3
--- /dev/null
+++ b/test/SemaTemplate/variadic-parse.cpp
@@ -0,0 +1,6 @@
+// RUN: %clang_cc1 -fsyntax-only -verify %s -std=c++0x
+
+// Parsing type parameter packs.
+template <typename ... Args> struct T1 {};
+template <typename ... > struct T2 {};
+