*** old/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Fri May 10 16:15:53 2013
--- new/src/share/vm/gc_implementation/parallelScavenge/psParallelCompact.cpp	Fri May 10 16:15:52 2013

*** 946,956 ****
--- 946,955 ----
    _space_info[from_space_id].set_space(heap->young_gen()->from_space());
    _space_info[to_space_id].set_space(heap->young_gen()->to_space());
  
    pre_gc_values->fill(heap);
  
    NOT_PRODUCT(_mark_bitmap.reset_counters());
    DEBUG_ONLY(add_obj_count = add_obj_size = 0;)
    DEBUG_ONLY(mark_bitmap_count = mark_bitmap_size = 0;)
  
    // Increment the invocation count
    heap->increment_total_collections(true);

*** 2040,2058 ****
--- 2039,2048 ----
      bool marked_for_unloading = false;
  
      marking_start.update();
      marking_phase(vmthread_cm, maximum_heap_compaction);
  
  #ifndef PRODUCT
      if (TraceParallelOldGCMarkingPhase) {
        gclog_or_tty->print_cr("marking_phase: cas_tries %d  cas_retries %d "
          "cas_by_another %d",
          mark_bitmap()->cas_tries(), mark_bitmap()->cas_retries(),
          mark_bitmap()->cas_by_another());
      }
  #endif  // #ifndef PRODUCT
  
      bool max_on_system_gc = UseMaximumCompactionOnSystemGC
        && gc_cause == GCCause::_java_lang_system_gc;
      summary_phase(vmthread_cm, maximum_heap_compaction || max_on_system_gc);
  
      COMPILER2_PRESENT(assert(DerivedPointerTable::is_active(), "Sanity"));