src/share/vm/opto/memnode.hpp

rev 8052 : castpp gcm
rev 8833 : 8130847: Cloned object's fields observed as null after C2 escape analysis
Summary: Eliminated instance/array written to by an array copy variant must be correctly initialized when reallocated at a deopt
Reviewed-by:

*** 124,134 ****
    Node* find_previous_store(PhaseTransform* phase);
  
    // Can this node (load or store) accurately see a stored value in
    // the given memory state?  (The state may or may not be in(Memory).)
    Node* can_see_stored_value(Node* st, PhaseTransform* phase) const;
-   Node* can_see_arraycopy_value(Node* st, PhaseTransform* phase) const;
  
  #ifndef PRODUCT
    static void dump_adr_type(const Node* mem, const TypePtr* adr_type, outputStream *st);
    virtual void dump_spec(outputStream *st) const;
  #endif
--- 124,133 ----
*** 250,259 ****
--- 249,261 ----
    static bool is_immutable_value(Node* adr);
  #endif
  protected:
    const Type* load_array_final_field(const TypeKlassPtr *tkls,
                                       ciKlass* klass) const;
+ 
+   Node* can_see_arraycopy_value(Node* st, PhaseTransform* phase) const;
+ 
    // depends_only_on_test is almost always true, and needs to be almost always
    // true to enable key hoisting & commoning optimizations.  However, for the
    // special case of RawPtr loads from TLS top & end, and other loads performed by
    // GC barriers, the control edge carries the dependence preventing hoisting past
    // a Safepoint instead of the memory edge.  (An unfortunate consequence of having