--- old/src/share/vm/oops/instanceKlass.hpp	2008-11-11 16:54:23.000000000 -0800
+++ new/src/share/vm/oops/instanceKlass.hpp	2008-11-11 16:54:22.000000000 -0800
@@ -147,6 +147,10 @@
   oop             _class_loader;
   // Protection domain.
   oop             _protection_domain;
+  // Host class, which grants its access privileges to this class also.
+  // This is only non-null for an anonymous class (AnonymousClasses enabled).
+  // The host class is either named, or a previously loaded anonymous class.
+  klassOop        _host_klass;
   // Class signers.
   objArrayOop     _signers;
   // Name of source file containing this klass, NULL if not specified.
@@ -375,6 +379,11 @@
   oop protection_domain()                  { return _protection_domain; }
   void set_protection_domain(oop pd)       { oop_store((oop*) &_protection_domain, pd); }
 
+  // host class
+  oop host_klass() const                   { return _host_klass; }
+  void set_host_klass(oop host)            { oop_store((oop*) &_host_klass, host); }
+  bool is_anonymous() const                { return _host_klass != NULL; }
+
   // signers
   objArrayOop signers() const              { return _signers; }
   void set_signers(objArrayOop s)          { oop_store((oop*) &_signers, oop(s)); }
@@ -709,6 +718,7 @@
   oop* adr_constants() const         { return (oop*)&this->_constants;}
   oop* adr_class_loader() const      { return (oop*)&this->_class_loader;}
   oop* adr_protection_domain() const { return (oop*)&this->_protection_domain;}
+  oop* adr_host_klass() const        { return (oop*)&this->_host_klass;}
   oop* adr_signers() const           { return (oop*)&this->_signers;}
   oop* adr_source_file_name() const  { return (oop*)&this->_source_file_name;}
   oop* adr_source_debug_extension() const { return (oop*)&this->_source_debug_extension;}