--- old/src/hotspot/share/jfr/leakprofiler/chains/rootSetClosure.hpp	2018-06-20 11:50:28.728139379 +0200
+++ new/src/hotspot/share/jfr/leakprofiler/chains/rootSetClosure.hpp	2018-06-20 11:50:28.504139387 +0200
@@ -30,7 +30,7 @@
 
 class EdgeQueue;
 
-class RootSetClosure: public ExtendedOopClosure {
+class RootSetClosure: public BasicOopIterateClosure {
  private:
   RootSetClosure(EdgeQueue* edge_queue);
   EdgeQueue* _edge_queue;