From e2f432e59a8e36c0eb4e29c3174649adacb79710 Mon Sep 17 00:00:00 2001
From: Nick Sun <nickk.sun@gmail.com>
Date: Thu, 21 Jan 2016 14:28:03 +1100
Subject: [PATCH] always save original $data to $_source

---
 lib/internal/Magento/Framework/App/Config/Data.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/internal/Magento/Framework/App/Config/Data.php b/lib/internal/Magento/Framework/App/Config/Data.php
index 38389e71e40aa..2ea3e91ad8b1e 100644
--- a/lib/internal/Magento/Framework/App/Config/Data.php
+++ b/lib/internal/Magento/Framework/App/Config/Data.php
@@ -29,8 +29,11 @@ class Data implements DataInterface
      */
     public function __construct(MetadataProcessor $processor, array $data)
     {
+        foreach ($data as $k => $v) {
+            $this->_source[$k] = $v;
+        }
         $this->_data = $processor->process($data);
-        $this->_source = $data;
+//        $this->_source = $data;
     }
 
     /**