diff -r f71a6fb9b532 -r 8e6b5694267f hotspot/src/share/vm/oops/fieldStreams.hpp
--- a/hotspot/src/share/vm/oops/fieldStreams.hpp	Fri Jan 11 09:53:24 2013 -0800
+++ b/hotspot/src/share/vm/oops/fieldStreams.hpp	Mon Jan 14 15:17:47 2013 +0100
@@ -160,9 +160,26 @@
     return field()->offset();
   }
 
+  int allocation_type() const {
+    return field()->allocation_type();
+  }
+
   void set_offset(int offset) {
     field()->set_offset(offset);
   }
+
+  bool is_offset_set() const {
+    return field()->is_offset_set();
+  }
+
+  bool is_contended() const {
+    return field()->is_contended();
+  }
+
+  int contended_group() const {
+    return field()->contended_group();
+  }
+
 };
 
 // Iterate over only the internal fields