src/hotspot/share/gc/g1/g1ConcurrentMark.hpp

rev 49890 : imported patch 8201492-properly-implement-non-contiguous-reference-processing
rev 49897 : [mq]: 8201491-precleaning

@@ -560,10 +560,13 @@
   void scan_root_region(HeapRegion* hr, uint worker_id);
 
   // Do concurrent phase of marking, to a tentative transitive closure.
   void mark_from_roots();
 
+  // Do concurrent preclean work.
+  void preclean();
+
   void remark();
 
   void cleanup();
   // Mark in the previous bitmap. Caution: the prev bitmap is usually read-only, so use
   // this carefully.