From 7b35bb8c96aa9fdf590ce99a5ad62fb7ead857b8 Mon Sep 17 00:00:00 2001
From: John-David Dalton <john.david.dalton@gmail.com>
Date: Fri, 8 Mar 2013 08:56:30 -0800
Subject: [PATCH] Correct `support.nonEnumArgs`.

Former-commit-id: 69b09827404bae997846daa681d96d8c9264af78
---
 build.js  | 4 ++--
 lodash.js | 3 ++-
 2 files changed, 4 insertions(+), 3 deletions(-)

diff --git a/build.js b/build.js
index fddb5edd4..9ed492535 100755
--- a/build.js
+++ b/build.js
@@ -2670,11 +2670,11 @@
       }
       if (!/support\.(?:enumPrototypes|nonEnumShadows|ownLast)\b/.test(source)) {
         // remove code used to resolve unneeded `support` properties
-        source = source.replace(/^ *\(function[\s\S]+?\n(( *)var ctor *= *function[\s\S]+?\n *for.+\n)([\s\S]+?)}\(1\)\);\n/m, function(match, setup, indent, body) {
+        source = source.replace(/^ *\(function[\s\S]+?\n(( *)var ctor *= *function[\s\S]+?(?:\n *for.+)+\n)([\s\S]+?)}\(1\)\);\n/m, function(match, setup, indent, body) {
           if (/support\.spliceObjects\b/.test(match)) {
             return match.replace(setup, indent + "var object = { '0': 1, 'length': 1 };\n");
           } else if (/support\.nonEnumArgs\b/.test(match)) {
-            return match.replace(setup, '');
+            return match.replace(setup, indent + 'for (var prop in arguments) { }\n');
           }
           return body.replace(RegExp('^' + indent, 'gm'), indent.slice(0, -2));
         });
diff --git a/lodash.js b/lodash.js
index 5fa1031af..b51df3660 100644
--- a/lodash.js
+++ b/lodash.js
@@ -262,6 +262,7 @@
 
       ctor.prototype = { 'valueOf': 1, 'y': 1 };
       for (var prop in new ctor) { props.push(prop); }
+      for (prop in arguments) { }
 
       /**
        * Detect if `arguments` objects are `Object` objects (all but Opera < 10.5).
@@ -324,7 +325,7 @@
        * @memberOf _.support
        * @type Boolean
        */
-      support.nonEnumArgs = prop == '0';
+      support.nonEnumArgs = prop != 0;
 
       /**
        * Detect if properties shadowing those on `Object.prototype` are non-enumerable.