Make accessors for oddball objects return Oddball* instead of Object*.

src/messages.cc

 
 // 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
@@ skipping 63 matching lines @@
   int start = 0;
   int end = 0;
   Handle<Object> script_handle = FACTORY->undefined_value();
   if (loc) {
     start = loc->start_pos();
     end = loc->end_pos();
     script_handle = GetScriptWrapper(loc->script());
   }
 
   Handle<Object> stack_trace_handle = stack_trace.is_null()
-      ? FACTORY->undefined_value()
+      ? Handle<Object>::cast(FACTORY->undefined_value())
       : Handle<Object>::cast(stack_trace);
 
   Handle<Object> stack_frames_handle = stack_frames.is_null()
-      ? FACTORY->undefined_value()
+      ? Handle<Object>::cast(FACTORY->undefined_value())
       : Handle<Object>::cast(stack_frames);
 
   Handle<JSMessageObject> message =
       FACTORY->NewJSMessageObject(type_handle,
                                   arguments_handle,
                                   start,
                                   end,
                                   script_handle,
                                   stack_trace_handle,
                                   stack_frames_handle);
@@ skipping 72 matching lines @@
 
 
 SmartArrayPointer<char> MessageHandler::GetLocalizedMessage(
     Handle<Object> data) {
   HandleScope scope;
   return GetMessage(data)->ToCString(DISALLOW_NULLS);
 }
 
 
 } }  // namespace v8::internal