592     }

   592     }

   593   }

   593   }

   594 };

   594 };

   595 

   595 

   596 class RootType : public JfrSerializer {

   596 class RootType : public JfrSerializer {

   598   void serialize(JfrCheckpointWriter& writer) {

   598   void serialize(JfrCheckpointWriter& writer) {

   599     const u4 nof_root_types = OldObjectRoot::_number_of_types;

   599     const u4 nof_root_types = OldObjectRoot::_number_of_types;

   600     writer.write_count(nof_root_types);

   600     writer.write_count(nof_root_types);

   601     for (u4 i = 0; i < nof_root_types; ++i) {

   601     for (u4 i = 0; i < nof_root_types; ++i) {

   602       writer.write_key(i);

   602       writer.write_key(i);