*** old/src/share/vm/memory/modRefBarrierSet.hpp	Mon Jan  5 09:44:33 2015
--- new/src/share/vm/memory/modRefBarrierSet.hpp	Mon Jan  5 09:44:33 2015

*** 35,45 ****
--- 35,45 ----
  class Generation;
  
  class ModRefBarrierSet: public BarrierSet {
  public:
  
!   ModRefBarrierSet() { _kind = BarrierSet::ModRef; }
!   ModRefBarrierSet() : BarrierSet(BarrierSet::ModRef) { }
  
    bool is_a(BarrierSet::Name bsn) {
      return bsn == BarrierSet::ModRef;
    }