*** old/src/share/vm/gc/g1/g1ConcurrentMark.cpp	Thu Feb 11 13:39:13 2016
--- new/src/share/vm/gc/g1/g1ConcurrentMark.cpp	Thu Feb 11 13:39:12 2016

*** 2269,2279 ****
--- 2269,2279 ----
    }
  
    SATBMarkQueueSet& satb_mq_set = JavaThread::satb_mark_queue_set();
    guarantee(has_overflown() ||
              satb_mq_set.completed_buffers_num() == 0,
!             "Invariant: has_overflown = %s, num buffers = %d",
!             "Invariant: has_overflown = %s, num buffers = " SIZE_FORMAT,
              BOOL_TO_STR(has_overflown()),
              satb_mq_set.completed_buffers_num());
  
    print_stats();
  }