From d2444d2992e1e32be37a0390f312d68f923db883 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Mon, 4 Aug 2014 00:05:19 -0700
Subject: [PATCH] Remove `!source` check from `_.mixin`.

---
 lodash.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lodash.js b/lodash.js
index 629378af0..0d1577784 100644
--- a/lodash.js
+++ b/lodash.js
@@ -8789,7 +8789,7 @@
           props = noOpts && isObj && keys(source),
           methodNames = props && baseFunctions(source, props);
 
-      if (!source || (props && props.length && !methodNames.length) || (noOpts && !isObj)) {
+      if ((props && props.length && !methodNames.length) || (noOpts && !isObj)) {
         if (noOpts) {
           options = source;
         }