Add a new 'Pack' argument kind to TemplateArgument. This is not yet used.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@73391 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Sema/SemaTemplate.cpp b/lib/Sema/SemaTemplate.cpp
index b2a82ed..2b2272d 100644
--- a/lib/Sema/SemaTemplate.cpp
+++ b/lib/Sema/SemaTemplate.cpp
@@ -806,6 +806,10 @@
       Canonical.push_back(TemplateArgument(SourceLocation(), CanonType));
       break;
     }
+    
+    case TemplateArgument::Pack:
+      assert(0 && "FIXME: Implement!");
+      break;
     }
   }
 }
@@ -1207,6 +1211,11 @@
           Diag(Arg.getLocation(), diag::err_template_arg_must_be_expr);
         Diag((*Param)->getLocation(), diag::note_template_param_here);
         Invalid = true;
+        break;
+      
+      case TemplateArgument::Pack:
+        assert(0 && "FIXME: Implement!");
+        break;
       }
     } else { 
       // Check template template parameters.
@@ -1251,6 +1260,10 @@
       case TemplateArgument::Integral:
         assert(false && "Integral argument with template template parameter");
         break;
+      
+      case TemplateArgument::Pack:
+        assert(0 && "FIXME: Implement!");
+        break;
       }
     }
   }