*** 73,83 **** class STWGCTimer; class G1NewTracer; class G1OldTracer; class EvacuationFailedInfo; class nmethod; - class Ticks; typedef OverflowTaskQueue<StarTask, mtGC> RefToScanQueue; typedef GenericTaskQueueSet<RefToScanQueue, mtGC> RefToScanQueueSet; typedef int RegionIdx_t; // needs to hold [ 0..max_regions() ) --- 73,82 ----