Always invoke the default Array.sort functions from builtin functions.

src/array.js

Index: src/array.js
===================================================================
--- src/array.js	(revision 11831)
+++ src/array.js	(working copy)
@@ -62,7 +62,7 @@
       }
     }
   }
-  keys.sort(function(a, b) { return a - b; });
+  ArraySort.call(keys, function(a, b) { return a - b; });

[Vyacheslav Egorov (Google), 2012/10/19 12:11:51]

What happens here if I overwrite Function.prototype.call to do nasty things?

   return keys;
 }