src/hotspot/share/gc/shenandoah/shenandoahTraversalGC.cpp

rev 49076 : Traversal: Initialize extra liveness arrays when conc-threads > par-threads

*** 208,217 ****
--- 208,223 ----
    void work(uint worker_id) {
      ShenandoahTraversalGC* traversal_gc = _heap->traversal_gc();
      ShenandoahObjToScanQueueSet* queues = traversal_gc->task_queues();
      ShenandoahObjToScanQueue* q = queues->queue(worker_id);
  
+     if (worker_id >= ShenandoahWorkerPolicy::prev_stw_traversal()) {
+       // Need to initialize extra work queue live data.
+       jushort* ld = _heap->traversal_gc()->get_liveness(worker_id);
+       Copy::fill_to_bytes(ld, _heap->num_regions() * sizeof(jushort));
+     }
+ 
      // Drain all outstanding work in queues.
      traversal_gc->main_loop(worker_id, _terminator, true);
    }
  };