Fix some bugs in Function.prototype.bind implementation.

src/v8natives.js

 // Copyright 2006-2008 the V8 project authors. All rights reserved.
 // Redistribution and use in source and binary forms, with or without
 // modification, are permitted provided that the following conditions are
 // met:
 //
 //     * Redistributions of source code must retain the above copyright
 //       notice, this list of conditions and the following disclaimer.
 //     * Redistributions in binary form must reproduce the above
 //       copyright notice, this list of conditions and the following
 //       disclaimer in the documentation and/or other materials provided
@@ skipping 1087 matching lines @@
   return FunctionSourceString(this);
 }
 
 
 // ES5 15.3.4.5
 function FunctionBind(this_arg) { // Length is 1.
   if (!IS_FUNCTION(this)) {
       throw new $TypeError('Bind must be called on a function');
   }
   // this_arg is not an argument that should be bound.
-  var argc_bound = %_ArgumentsLength() - 1;
+  var argc_bound = (%_ArgumentsLength() || 1) - 1;
   if (argc_bound > 0) {
     var bound_args = new $Array(argc_bound);
     for(var i = 0; i < argc_bound; i++) {
       bound_args[i] = %_Arguments(i+1);
     }  
   }
   var fn = this;
   var result = function() {
     // Combine the args we got from the bind call with the args
     // given as argument to the invocation. 
@@ skipping 60 matching lines @@
 // ----------------------------------------------------------------------------
 
 function SetupFunction() {
   InstallFunctions($Function.prototype, DONT_ENUM, $Array(
     "bind", FunctionBind,
     "toString", FunctionToString
   ));
 }
 
 SetupFunction();