--- a/src/hotspot/share/gc/shared/generation.hpp	Mon Jun 25 12:44:52 2018 +0200
+++ b/src/hotspot/share/gc/shared/generation.hpp	Sat May 26 06:59:49 2018 +0200
@@ -474,7 +474,7 @@
 
   // Iterate over all the ref-containing fields of all objects in the
   // generation, calling "cl.do_oop" on each.
-  virtual void oop_iterate(ExtendedOopClosure* cl);
+  virtual void oop_iterate(OopIterateClosure* cl);
 
   // Iterate over all objects in the generation, calling "cl.do_object" on
   // each.