From 1966ac79790d2448284363ffaf2b9c33f25587b3 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Wed, 27 Jul 2016 08:19:20 -0700
Subject: [PATCH] Prevent failed circular reference detection in
 `_.defaultsDeep`. [closes #2537]

---
 lodash.js | 1 -
 1 file changed, 1 deletion(-)

diff --git a/lodash.js b/lodash.js
index 5f7a6d649..90883f2e5 100644
--- a/lodash.js
+++ b/lodash.js
@@ -6115,7 +6115,6 @@
         // Recursively merge objects and arrays (susceptible to call stack limits).
         stack.set(srcValue, objValue);
         baseMerge(objValue, srcValue, undefined, mergeDefaults, stack);
-        stack['delete'](srcValue);
       }
       return objValue;
     }