More work on type parameter packs.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73281 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/AST/DeclTemplate.cpp b/lib/AST/DeclTemplate.cpp
index 9526b48..5b1bf9b 100644
--- a/lib/AST/DeclTemplate.cpp
+++ b/lib/AST/DeclTemplate.cpp
@@ -50,7 +50,9 @@
       ParamBegin = const_cast<TemplateParameterList *>(this)->begin();
   while (Param != ParamBegin) {
     --Param;
-    if (!(isa<TemplateTypeParmDecl>(*Param) && 
+    
+    if (!(*Param)->isTemplateParameterPack() &&
+        !(isa<TemplateTypeParmDecl>(*Param) && 
           cast<TemplateTypeParmDecl>(*Param)->hasDefaultArgument()) &&
         !(isa<NonTypeTemplateParmDecl>(*Param) &&
           cast<NonTypeTemplateParmDecl>(*Param)->hasDefaultArgument()) &&