src/share/vm/opto/phaseX.hpp

*** 188,197 ****
--- 188,199 ----
    Arena*      arena()   { return _arena; }
    Type_Array& types()   { return _types; }
    // _nodes is used in varying ways by subclasses, which define local accessors
  
  public:
+   virtual PhaseIterGVN *is_IterGVN() { return 0; }
+ 
    // Get a previously recorded type for the node n.
    // This type must already have been recorded.
    // If you want the type of a very new (untransformed) node,
    // you must use type_or_null, and test the result for NULL.
    const Type* type(const Node* n) const {