Patch-Magento_ConfigurableProduct-M2.1.2-configurable-options-sort.patch

--- Model/ResourceModel/Product/Type/Configurable.php	2017-01-24 19:39:02.000000000 +0300
+++ Model/ResourceModel/Product/Type/ConfigurableFixed.php	2017-03-11 21:36:24.295759972 +0300
@@ -279,6 +279,12 @@
         )->where(
             'attribute.attribute_id = ?',
             $superAttribute->getAttributeId()
+        )->joinInner(
+            ['attribute_opt' => $this->getTable('eav_attribute_option')],
+            'attribute_opt.option_id = entity_value.value',
+            []
+        )->order(
+            'attribute_opt.sort_order ASC'
         );

         return $this->getConnection()->fetchAll($select);