*** old/src/share/vm/opto/locknode.cpp	Tue Dec  2 23:49:27 2008
--- new/src/share/vm/opto/locknode.cpp	Tue Dec  2 23:49:27 2008

*** 42,55 ****
--- 42,60 ----
    init_flags(Flag_rematerialize);
    OptoReg::Name reg = OptoReg::stack2reg(_slot);
    _inmask.Insert(reg);
  }
  
+ //-----------------------------hash--------------------------------------------
+ uint BoxLockNode::hash() const {
+   return Node::hash() + _slot + (_is_eliminated ? Compile::current()->fixed_slots() : 0);
+ }
+ 
  //------------------------------cmp--------------------------------------------
  uint BoxLockNode::cmp( const Node &n ) const {
    const BoxLockNode &bn = (const BoxLockNode &)n;
!   return bn._slot == _slot && bn._is_eliminated == _is_eliminated;
  }
  
  OptoReg::Name BoxLockNode::stack_slot(Node* box_node) {
    // Chase down the BoxNode
    while (!box_node->is_BoxLock()) {