*** old/src/share/vm/opto/machnode.hpp	Sat Jun  2 20:04:14 2012
--- new/src/share/vm/opto/machnode.hpp	Sat Jun  2 20:04:14 2012

*** 1,7 ****
--- 1,7 ----
  /*
!  * Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
!  * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved.
   * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   *
   * This code is free software; you can redistribute it and/or modify it
   * under the terms of the GNU General Public License version 2 only, as
   * published by the Free Software Foundation.

*** 317,326 ****
--- 317,327 ----
  //------------------------------MachTypeNode----------------------------
  // Machine Nodes that need to retain a known Type.
  class MachTypeNode : public MachNode {
    virtual uint size_of() const { return sizeof(*this); } // Size is bigger
  public:
+   MachTypeNode( ) {}
    const Type *_bottom_type;
  
    virtual const class Type *bottom_type() const { return _bottom_type; }
  #ifndef PRODUCT
    virtual void dump_spec(outputStream *st) const;

*** 368,383 ****
--- 369,384 ----
  #endif
  };
  
  //------------------------------MachConstantNode-------------------------------
  // Machine node that holds a constant which is stored in the constant table.
! class MachConstantNode : public MachNode {
! class MachConstantNode : public MachTypeNode {
  protected:
    Compile::Constant _constant;  // This node's constant.
  
  public:
!   MachConstantNode() : MachNode() {
!   MachConstantNode() : MachTypeNode() {
      init_class_id(Class_MachConstant);
    }
  
    virtual void eval_constant(Compile* C) {
  #ifdef ASSERT