From 9c162624fed2d61a8105cf855fcc1b7930578b37 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Tue, 23 Feb 2016 09:57:10 -0800
Subject: [PATCH] Cleanup `symbolTag` case in `equalByTag`.

---
 lodash.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/lodash.js b/lodash.js
index 0c6b5bb1c..278dcd780 100644
--- a/lodash.js
+++ b/lodash.js
@@ -4798,7 +4798,9 @@
           return equalArrays(convert(object), convert(other), equalFunc, customizer, bitmask | UNORDERED_COMPARE_FLAG, stack);
 
         case symbolTag:
-          return !!symbolValueOf && (symbolValueOf.call(object) == symbolValueOf.call(other));
+          if (symbolValueOf) {
+            return symbolValueOf.call(object) == symbolValueOf.call(other);
+          }
       }
       return false;
     }