From 54a0de9b521ac44fceb9e9a22b312fff2f09f50e Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Mon, 28 Apr 2014 08:31:54 -0700
Subject: [PATCH] Make `_.merge` align with `_.assign` exit early snippet.

---
 lodash.js | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/lodash.js b/lodash.js
index 84636cf14..d0cd18109 100644
--- a/lodash.js
+++ b/lodash.js
@@ -6760,13 +6760,13 @@
      * // => { 'fruits': ['apple', 'banana'], 'vegetables': ['beet', 'carrot] }
      */
     function merge(object, source, guard) {
-      if (!object) {
-        return object;
-      }
       var args = arguments,
           length = args.length,
           type = typeof guard;
 
+      if (!object || length < 2) {
+        return object;
+      }
       // enables use as a callback for functions like `_.reduce`
       if ((type == 'number' || type == 'string') && args[3] && args[3][guard] === source) {
         length = 2;