From 66838094474a3087fd8e956a6c372c3afc552ffd Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Fri, 16 Jan 2015 02:08:01 -0800
Subject: [PATCH] Adjust handling of typed arrays and `arguments` objects in
 `baseMergeDeep`.

---
 lodash.src.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/lodash.src.js b/lodash.src.js
index 75f1f20f3..a1ea1acf5 100644
--- a/lodash.src.js
+++ b/lodash.src.js
@@ -2522,9 +2522,11 @@
       if (isCommon) {
         result = srcValue;
         if (isLength(srcValue.length) && (isArray(srcValue) || isTypedArray(srcValue))) {
-          result = isArray(value) ? value : [];
-        } else if (isPlainObject(srcValue)) {
-          result = isPlainObject(value) ? value : {};
+          result = isArray(value) ? value : arrayCopy(value);
+        } else if (isPlainObject(srcValue) || isArguments(srcValue)) {
+          result = isArguments(value)
+            ? arrayToObject(value)
+            : (isPlainObject(value) ? value : {});
         }
       }
       // Add the source value to the stack of traversed objects and associate