1. Write the backing data array of a GrowableObjectArray as a reference

runtime/vm/dart_api_message.cc

 // Copyright (c) 2012, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 #include "vm/dart_api_message.h"
 #include "vm/object.h"
 #include "vm/snapshot_ids.h"
 #include "vm/symbols.h"
 #include "vm/unicode.h"
 
@@ skipping 776 matching lines @@
       intptr_t len = ReadSmiValue();
 
       Dart_CObject* value = GetBackRef(object_id);
       ASSERT(value == NULL);
       // Allocate an empty array for the GrowableObjectArray which
       // will be updated to point to the content when the backing
       // store has been deserialized.
       value = AllocateDartCObjectArray(0);
       AddBackRef(object_id, value, kIsDeserialized);
       // Read the content of the GrowableObjectArray.
-      Dart_CObject* content = ReadObjectImpl();
+      Dart_CObject* content = ReadObjectRef();
       ASSERT(content->type == Dart_CObject_kArray);
       // Make the empty array allocated point to the backing store content.
       value->value.as_array.length = len;
       value->value.as_array.values = content->value.as_array.values;
       return value;
     }
     default:
       // Everything else not supported.
       Dart_CObject* value = AllocateDartCObjectUnsupported();
       AddBackRef(object_id, value, kIsDeserialized);
@@ skipping 508 matching lines @@
     if (!success) {
       UnmarkAllCObjects(object);
       return false;
     }
   }
   UnmarkAllCObjects(object);
   return true;
 }
 
 }  // namespace dart