Fix cluster-fuzz regression with Workers and recursive serialization

src/d8.cc

 // Copyright 2012 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 
 // Defined when linking against shared lib on Windows.
 #if defined(USING_V8_SHARED) && !defined(V8_SHARED)
 #define V8_SHARED
 #endif
 
@@ skipping 1952 matching lines @@
   }
 }
 
 
 #ifndef V8_SHARED
 bool Shell::SerializeValue(Isolate* isolate, Handle<Value> value,
                            const ObjectList& to_transfer,
                            ObjectList* seen_objects,
                            SerializationData* out_data) {
   DCHECK(out_data);
-  HandleScope scope(isolate);
   Local<Context> context = isolate->GetCurrentContext();
 
   if (value->IsUndefined()) {
     out_data->WriteTag(kSerializationTagUndefined);
   } else if (value->IsNull()) {
     out_data->WriteTag(kSerializationTagNull);
   } else if (value->IsTrue()) {
     out_data->WriteTag(kSerializationTagTrue);
   } else if (value->IsFalse()) {
     out_data->WriteTag(kSerializationTagFalse);
@@ skipping 413 matching lines @@
 }
 
 }  // namespace v8
 
 
 #ifndef GOOGLE3
 int main(int argc, char* argv[]) {
   return v8::Shell::Main(argc, argv);
 }
 #endif