diff -r e6b1331a51d2 -r f6f3bb0ee072 src/share/vm/opto/type.hpp
--- a/src/share/vm/opto/type.hpp	Sat Sep 10 17:29:02 2011 -0700
+++ b/src/share/vm/opto/type.hpp	Sun Sep 11 14:48:24 2011 -0700
@@ -64,6 +64,8 @@
 // different kind of Type exists.  Types are never modified after creation, so
 // all their interesting fields are constant.
 class Type {
+  friend class VMStructs;
+
 public:
   enum TYPES {
     Bad=0,                      // Type check