From f90c3f24837c3288f720dfd4591a81a1ad60f976 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Thu, 19 May 2016 19:47:20 -0700
Subject: [PATCH] Ensure `_.pullAll` works with the same value for `array` and
 `values`. [closes #2356]

---
 lodash.js    |  3 +++
 test/test.js | 15 +++++++++++++++
 2 files changed, 18 insertions(+)

diff --git a/lodash.js b/lodash.js
index ac687729d..c6006e01f 100644
--- a/lodash.js
+++ b/lodash.js
@@ -3394,6 +3394,9 @@
           length = values.length,
           seen = array;
 
+      if (array === values) {
+        values = copyArray(values);
+      }
       if (iteratee) {
         seen = arrayMap(array, baseUnary(iteratee));
       }
diff --git a/test/test.js b/test/test.js
index 736e0decd..ae1921c44 100644
--- a/test/test.js
+++ b/test/test.js
@@ -18081,6 +18081,21 @@
 
   /*--------------------------------------------------------------------------*/
 
+  QUnit.module('lodash.pullAll');
+
+  (function() {
+    QUnit.test('should work with the same value for `array` and `values`', function(assert) {
+      assert.expect(1);
+
+      var array = [{ 'a': 1 }, { 'b': 2 }],
+          actual = _.pullAll(array, array);
+
+      assert.deepEqual(actual, []);
+    });
+  }());
+
+  /*--------------------------------------------------------------------------*/
+
   QUnit.module('lodash.pullAllBy');
 
   (function() {