From 004491794326ec8193b38a4d357c3f90e4a2640e Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Wed, 29 Aug 2012 00:34:58 -0700
Subject: [PATCH] Ensure Closure Compiler removes `isPlainObject` when it's no
 longer needed in build.js.

Former-commit-id: 748de0f28f4e0733ef83a77fe2b1f6e40e4f8ce2
---
 build.js | 1 +
 1 file changed, 1 insertion(+)

diff --git a/build.js b/build.js
index 90345d63d..1ef5555bd 100755
--- a/build.js
+++ b/build.js
@@ -1122,6 +1122,7 @@
     source = removeVar(source, 'reNative');
   }
   if (isRemoved(source, 'createIterator', 'clone', 'merge')) {
+    source = removeIsPlainObjectFallback(source);
     source = source.replace(/(?:\n +\/\*[^*]*\*+(?:[^\/][^*]*\*+)*\/)?\n *var iteratesOwnLast;|.+?iteratesOwnLast *=.+/g, '');
   }
   if (isRemoved(source, 'createIterator', 'isEqual')) {