This change removes the %AddProperty native JavaScript function from V8....

src/array.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 889 matching lines @@
 }
 
 
 // -------------------------------------------------------------------
 
 function InstallFunctions(prototype, attributes, functions) {
   for (var i = 0; i < functions.length; i += 2) {
     var key = functions[i];
     var f = functions[i + 1];
     %FunctionSetName(f, key);
-    %AddProperty(prototype, key, f, attributes);
+    %SetProperty(prototype, key, f, attributes);
   }
 }
 
 
 function UpdateFunctionLengths(lengths) {
   for (var key in lengths) {
     %FunctionSetLength(this[key], lengths[key]);
   }
 }
 
 
 // -------------------------------------------------------------------
 
 function SetupArray() {
   // Setup non-enumerable constructor property on the Array.prototype
   // object.
-  %AddProperty($Array.prototype, "constructor", $Array, DONT_ENUM);
+  %SetProperty($Array.prototype, "constructor", $Array, DONT_ENUM);
 
   // Setup non-enumerable functions of the Array.prototype object and
   // set their names.
   InstallFunctions($Array.prototype, DONT_ENUM, $Array(
     "toString", ArrayToString,
     "toLocaleString", ArrayToLocaleString,
     "join", ArrayJoin,
     "pop", ArrayPop,
     "push", ArrayPush,
     "concat", ArrayConcat,
@@ skipping 21 matching lines @@
     ArrayEvery: 1,
     ArrayMap: 1,
     ArrayIndexOf: 1,
     ArrayLastIndexOf: 1,
     ArrayPush: 1
   });
 }
 
 
 SetupArray();