--- a/hotspot/src/share/vm/oops/oop.hpp	Fri Sep 23 13:44:01 2016 -0700
+++ b/hotspot/src/share/vm/oops/oop.hpp	Fri Sep 23 18:23:12 2016 -0400
@@ -83,6 +83,7 @@
 
   inline Klass* klass() const;
   inline Klass* klass_or_null() const volatile;
+  inline Klass* klass_or_null_acquire() const volatile;
   inline Klass** klass_addr();
   inline narrowKlass* compressed_klass_addr();