Merge revision 9893 to trunk.

src/messages.js

 // Copyright 2011 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 229 matching lines @@
       "strict_read_only_property",    ["Cannot assign to read only property '", "%0", "' of ", "%1"],
       "strict_cannot_assign",         ["Cannot assign to read only '", "%0", "' in strict mode"],
       "strict_poison_pill",           ["'caller', 'callee', and 'arguments' properties may not be accessed on strict mode functions or the arguments objects for calls to them"],
       "strict_caller",                ["Illegal access to a strict mode caller function."],
       "unprotected_let",              ["Illegal let declaration in unprotected statement context."],
       "unprotected_const",            ["Illegal const declaration in unprotected statement context."],
       "cant_prevent_ext_external_array_elements", ["Cannot prevent extension of an object with external array elements"],
       "redef_external_array_element", ["Cannot redefine a property of an object with external array elements"],
     ];
     var messages = { __proto__ : null };
-    var desc = new PropertyDescriptor();
-    desc.setConfigurable(false);
-    desc.setEnumerable(false);
-    desc.setWritable(false);
     for (var i = 0; i < messagesDictionary.length; i += 2) {
       var key = messagesDictionary[i];
       var format = messagesDictionary[i + 1];
-      ObjectFreeze(format);
-      desc.setValue(format);
-      DefineOwnProperty(messages, key, desc);
+
+      for (var j = 0; j < format.length; j++) {
+        %IgnoreAttributesAndSetProperty(format, %_NumberToString(j), format[j],
+                                        DONT_DELETE | READ_ONLY | DONT_ENUM);
+      }
+      %IgnoreAttributesAndSetProperty(format, 'length', format.length,
+                                      DONT_DELETE | READ_ONLY | DONT_ENUM);
+      %PreventExtensions(format);
+      %IgnoreAttributesAndSetProperty(messages,
+                                      key,
+                                      format,
+                                      DONT_DELETE | DONT_ENUM | READ_ONLY);
     }
     %PreventExtensions(messages);
     %IgnoreAttributesAndSetProperty(builtins, "kMessages",
                                     messages,
                                     DONT_DELETE | DONT_ENUM | READ_ONLY);
   }
   var message_type = %MessageGetType(message);
   var format = kMessages[message_type];
   if (!format) return "<unknown message " + message_type + ">";
   return FormatString(format, message);
@@ skipping 915 matching lines @@
     throw e;
   }
 }
 
 
 InstallFunctions($Error.prototype, DONT_ENUM, ['toString', ErrorToString]);
 
 // Boilerplate for exceptions for stack overflows. Used from
 // Isolate::StackOverflow().
 const kStackOverflowBoilerplate = MakeRangeError('stack_overflow', []);