Make bleeding edge compile (r4561 has made the Handle<> ctor explicit)

src/d8.cc

 // Copyright 2009 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 429 matching lines @@
     arguments_array->set(j, *arg);
   }
   i::Handle<i::JSArray> arguments_jsarray =
       i::Factory::NewJSArrayWithElements(arguments_array);
   global_template->Set(String::New("arguments"),
                        Utils::ToLocal(arguments_jsarray));
 
 #ifdef ENABLE_DEBUGGER_SUPPORT
   // Install the debugger object in the utility scope
   i::Debug::Load();
-  i::JSObject* debug = i::Debug::debug_context()->global();
+  i::Handle<i::JSObject> debug
+      = i::Handle<i::JSObject>(i::Debug::debug_context()->global());
   utility_context_->Global()->Set(String::New("$debug"),
-                                  Utils::ToLocal(&debug));
+                                  Utils::ToLocal(debug));
 #endif
 
   // Run the d8 shell utility script in the utility context
   int source_index = i::NativesCollection<i::D8>::GetIndex("d8");
   i::Vector<const char> shell_source
       = i::NativesCollection<i::D8>::GetScriptSource(source_index);
   i::Vector<const char> shell_source_name
       = i::NativesCollection<i::D8>::GetScriptName(source_index);
   Handle<String> source = String::New(shell_source.start(),
                                       shell_source.length());
@@ skipping 307 matching lines @@
   return 0;
 }
 
 
 }  // namespace v8
 
 
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }