src/share/vm/gc/g1/g1CollectedHeap.hpp

*** 803,812 ****
--- 803,814 ----
    HeapWord* do_collection_pause(size_t         word_size,
                                  uint           gc_count_before,
                                  bool*          succeeded,
                                  GCCause::Cause gc_cause);
  
+   void wait_for_root_region_scanning();
+ 
    // The guts of the incremental collection pause, executed by the vm
    // thread. It returns false if it is unable to do the collection due
    // to the GC locker being active, true otherwise
    bool do_collection_pause_at_safepoint(double target_pause_time_ms);