From 0fcf43b02b370ac6579c9d6aa1dc88e54f0b96c7 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Mon, 31 Oct 2016 09:56:55 -0700
Subject: [PATCH] Ensure `_.xor` returns an empty array when comparing the same
 array. [closes #2776]

---
 lodash.js    | 2 +-
 test/test.js | 9 +++++++++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/lodash.js b/lodash.js
index feabafd3b..367ad55cc 100644
--- a/lodash.js
+++ b/lodash.js
@@ -4414,7 +4414,7 @@
 
         while (++othIndex < length) {
           var othArray = arrays[othIndex];
-          if (othArray !== array) {
+          if (othIndex != index) {
             result[index] = baseDifference(result[index] || array, othArray, iteratee, comparator);
           }
         }
diff --git a/test/test.js b/test/test.js
index e4d2ea5f6..1a70402d5 100644
--- a/test/test.js
+++ b/test/test.js
@@ -25279,6 +25279,15 @@
       assert.deepEqual(actual, []);
     });
 
+    QUnit.test('`_.' + methodName + '` should return an empty array when comparing the same array', function(assert) {
+      assert.expect(1);
+
+      var array = [1],
+          actual = func(array, array, array);
+
+      assert.deepEqual(actual, []);
+    });
+
     QUnit.test('`_.' + methodName + '` should return an array of unique values', function(assert) {
       assert.expect(2);