--- old/src/share/vm/ci/ciSignature.hpp	2011-10-12 04:37:45.658524943 -0700
+++ new/src/share/vm/ci/ciSignature.hpp	2011-10-12 04:37:45.395574644 -0700
@@ -43,6 +43,7 @@
   int _count;
 
   friend class ciMethod;
+  friend class ciObjectFactory;
 
   ciSignature(ciKlass* accessing_klass, constantPoolHandle cpool, ciSymbol* signature);
 
@@ -52,6 +53,7 @@
 
 public:
   ciSymbol* as_symbol() const                    { return _symbol; }
+  ciKlass*  accessing_klass() const              { return _accessing_klass; }
 
   ciType* return_type() const;
   ciType* type_at(int index) const;
@@ -59,6 +61,8 @@
   int       size() const                         { return _size; }
   int       count() const                        { return _count; }
 
+  bool equals(ciSignature* that);
+
   void print_signature();
   void print();
 };