Now that ASTMultiPtr is nothing more than a array reference, make it a MutableArrayRef.

This required changing all get() calls to data() and using the simpler constructors.

llvm-svn: 162501
diff --git a/clang/lib/Parse/ParseTemplate.cpp b/clang/lib/Parse/ParseTemplate.cpp
index ffd01ea..11be360 100644
--- a/clang/lib/Parse/ParseTemplate.cpp
+++ b/clang/lib/Parse/ParseTemplate.cpp
@@ -889,8 +889,7 @@
     return true;
   }
 
-  ASTTemplateArgsPtr TemplateArgsPtr(Actions, TemplateArgs.data(),
-                                     TemplateArgs.size());
+  ASTTemplateArgsPtr TemplateArgsPtr(TemplateArgs);
 
   // Build the annotation token.
   if (TNK == TNK_Type_template && AllowTypeAnnotation) {
@@ -967,8 +966,7 @@
           TemplateId->Kind == TNK_Dependent_template_name) &&
          "Only works for type and dependent templates");
 
-  ASTTemplateArgsPtr TemplateArgsPtr(Actions,
-                                     TemplateId->getTemplateArgs(),
+  ASTTemplateArgsPtr TemplateArgsPtr(TemplateId->getTemplateArgs(),
                                      TemplateId->NumArgs);
 
   TypeResult Type