From 45f668b4169f18cb76483d25a769d70917a84e70 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Tue, 4 Oct 2016 22:26:21 -0700
Subject: [PATCH] Add `baseIsArguments`.

---
 lodash.js | 19 ++++++++++++++++---
 1 file changed, 16 insertions(+), 3 deletions(-)

diff --git a/lodash.js b/lodash.js
index 67bacaca5..cea37e2af 100644
--- a/lodash.js
+++ b/lodash.js
@@ -1473,6 +1473,7 @@
         getPrototype = overArg(Object.getPrototypeOf, Object),
         iteratorSymbol = Symbol ? Symbol.iterator : undefined,
         objectCreate = Object.create,
+        propertyIsEnumerable = objectProto.propertyIsEnumerable,
         splice = arrayProto.splice,
         spreadableSymbol = Symbol ? Symbol.isConcatSpreadable : undefined;
 
@@ -3203,6 +3204,17 @@
       return func == null ? undefined : apply(func, object, args);
     }
 
+    /**
+     * The base implementation of `_.isArguments`.
+     *
+     * @private
+     * @param {*} value The value to check.
+     * @returns {boolean} Returns `true` if `value` is an `arguments` object,
+     */
+    function baseIsArguments(value) {
+      return isObjectLike(value) && objectToString.call(value) == argsTag;
+    }
+
     /**
      * The base implementation of `_.isArrayBuffer` without Node.js optimizations.
      *
@@ -11186,9 +11198,10 @@
      * _.isArguments([1, 2, 3]);
      * // => false
      */
-    function isArguments(value) {
-      return isObjectLike(value) && objectToString.call(value) == argsTag;
-    }
+    var isArguments = baseIsArguments(arguments) ? baseIsArguments : function(value) {
+      return isObjectLike(value) && hasOwnProperty.call(value, 'callee') &&
+        !propertyIsEnumerable.call(value, 'callee');
+    };
 
     /**
      * Checks if `value` is classified as an `Array` object.