src/share/vm/opto/connode.hpp

*** 237,250 ****
  
  //------------------------------CastPPNode-------------------------------------
  // cast pointer to pointer (different type)
  class CastPPNode: public ConstraintCastNode {
  public:
!   CastPPNode (Node *n, const Type *t ): ConstraintCastNode(n, t) {
!     // Only CastPP is safe.  CastII can cause optimizer loops.
!     init_flags(Flag_is_dead_loop_safe);
!   }
    virtual int Opcode() const;
    virtual uint ideal_reg() const { return Op_RegP; }
    virtual Node *Ideal_DU_postCCP( PhaseCCP * );
  };
  
--- 237,247 ----
  
  //------------------------------CastPPNode-------------------------------------
  // cast pointer to pointer (different type)
  class CastPPNode: public ConstraintCastNode {
  public:
!   CastPPNode (Node *n, const Type *t ): ConstraintCastNode(n, t) {}
    virtual int Opcode() const;
    virtual uint ideal_reg() const { return Op_RegP; }
    virtual Node *Ideal_DU_postCCP( PhaseCCP * );
  };
  
*** 252,265 ****
  // for _checkcast, cast pointer to pointer (different type), without JOIN,
  class CheckCastPPNode: public TypeNode {
  public:
    CheckCastPPNode( Node *c, Node *n, const Type *t ) : TypeNode(t,2) {
      init_class_id(Class_CheckCastPP);
-     init_flags(Flag_is_dead_loop_safe);
      init_req(0, c);
      init_req(1, n);
    }
    virtual Node *Identity( PhaseTransform *phase );
    virtual const Type *Value( PhaseTransform *phase ) const;
    virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
    virtual int   Opcode() const;
    virtual uint  ideal_reg() const { return Op_RegP; }
--- 249,262 ----
  // for _checkcast, cast pointer to pointer (different type), without JOIN,
  class CheckCastPPNode: public TypeNode {
  public:
    CheckCastPPNode( Node *c, Node *n, const Type *t ) : TypeNode(t,2) {
      init_class_id(Class_CheckCastPP);
      init_req(0, c);
      init_req(1, n);
    }
+ 
    virtual Node *Identity( PhaseTransform *phase );
    virtual const Type *Value( PhaseTransform *phase ) const;
    virtual Node *Ideal(PhaseGVN *phase, bool can_reshape);
    virtual int   Opcode() const;
    virtual uint  ideal_reg() const { return Op_RegP; }