Fix compile error.

src/runtime.cc

 // Copyright 2012 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 1553 matching lines @@
 
 
 RUNTIME_FUNCTION(MaybeObject*, Runtime_GetPrototype) {
   HandleScope scope(isolate);
   ASSERT(args.length() == 1);
   CONVERT_ARG_HANDLE_CHECKED(Object, obj, 0);
   // We don't expect access checks to be needed on JSProxy objects.
   ASSERT(!obj->IsAccessCheckNeeded() || obj->IsJSObject());
   do {
     if (obj->IsAccessCheckNeeded() &&
-        !isolate->MayNamedAccessWrapper(obj,
+        !isolate->MayNamedAccessWrapper(Handle<JSObject>::cast(obj),
                                         isolate->factory()->proto_string(),
                                         v8::ACCESS_GET)) {
       isolate->ReportFailedAccessCheck(JSObject::cast(*obj), v8::ACCESS_GET);
       RETURN_IF_SCHEDULED_EXCEPTION(isolate);
       return isolate->heap()->undefined_value();
     }
     obj = handle(obj->GetPrototype(isolate), isolate);
   } while (obj->IsJSObject() &&
            JSObject::cast(*obj)->map()->is_hidden_prototype());
   return *obj;
@@ skipping 13221 matching lines @@
     // Handle last resort GC and make sure to allow future allocations
     // to grow the heap without causing GCs (if possible).
     isolate->counters()->gc_last_resort_from_js()->Increment();
     isolate->heap()->CollectAllGarbage(Heap::kNoGCFlags,
                                        "Runtime::PerformGC");
   }
 }
 
 
 } }  // namespace v8::internal