--- old/src/hotspot/share/gc/shared/cardGeneration.hpp	2020-08-25 10:03:53.228495963 +0200
+++ new/src/hotspot/share/gc/shared/cardGeneration.hpp	2020-08-25 10:03:53.052492998 +0200
@@ -89,7 +89,7 @@
 
   void space_iterate(SpaceClosure* blk, bool usedOnly = false);
 
-  void younger_refs_iterate(OopsInGenClosure* blk, uint n_threads);
+  void younger_refs_iterate(OopIterateClosure* blk, uint n_threads);
 
   bool is_in(const void* p) const;