From 954b5077e495aa9fa4eb54ef4cb8ac309e9415ae Mon Sep 17 00:00:00 2001
From: Guilherme Blanco <guilhermeblanco@gmail.com>
Date: Fri, 9 Dec 2011 10:59:53 -0500
Subject: [PATCH] Fixed nesting recursion error in some situations. Complement
 to DDC-1276.

---
 lib/Doctrine/ORM/UnitOfWork.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Doctrine/ORM/UnitOfWork.php b/lib/Doctrine/ORM/UnitOfWork.php
index 803e6683c32..eb3111fb8d1 100644
--- a/lib/Doctrine/ORM/UnitOfWork.php
+++ b/lib/Doctrine/ORM/UnitOfWork.php
@@ -1735,7 +1735,7 @@ private function doMerge($entity, array &$visited, $prevManagedCopy = null, $ass
                             $managedCol->initialize();
 
                             // clear and set dirty a managed collection if its not also the same collection to merge from.
-                            if (!$managedCol->isEmpty() && $managedCol != $mergeCol) {
+                            if (!$managedCol->isEmpty() && $managedCol !== $mergeCol) {
                                 $managedCol->unwrap()->clear();
                                 $managedCol->setDirty(true);