*** old/src/share/vm/opto/memnode.hpp	Thu Sep 22 14:54:13 2011
--- new/src/share/vm/opto/memnode.hpp	Thu Sep 22 14:54:13 2011

*** 940,950 ****
--- 940,955 ----
  // Isolation of object setup after an AllocateNode and before next safepoint.
  // (See comment in memnode.cpp near InitializeNode::InitializeNode for semantics.)
  class InitializeNode: public MemBarNode {
    friend class AllocateNode;
  
    bool _is_complete;
+   enum {
+     Incomplete    = 0,
+     Complete      = 1,
+     WithArraycopy = 2
+   };
+   int _is_complete;
  
  public:
    enum {
      Control    = TypeFunc::Control,
      Memory     = TypeFunc::Memory,     // MergeMem for states affected by this op

*** 974,987 ****
--- 979,994 ----
    bool is_non_zero();
  
    // An InitializeNode must completed before macro expansion is done.
    // Completion requires that the AllocateNode must be followed by
    // initialization of the new memory to zero, then to any initializers.
!   bool is_complete() { return _is_complete != Incomplete; }
+   bool is_complete_with_arraycopy() { return (_is_complete & WithArraycopy) != 0; }
  
    // Mark complete.  (Must not yet be complete.)
    void set_complete(PhaseGVN* phase);
+   void set_complete_with_arraycopy() { _is_complete = Complete | WithArraycopy; }
  
  #ifdef ASSERT
    // ensure all non-degenerate stores are ordered and non-overlapping
    bool stores_are_sane(PhaseTransform* phase);
  #endif //ASSERT