--- old/src/hotspot/share/gc/shared/barrierSet.hpp	2018-02-15 10:42:11.523437379 +0100
+++ new/src/hotspot/share/gc/shared/barrierSet.hpp	2018-02-15 10:42:11.295427605 +0100
@@ -115,7 +115,8 @@
   // is redone until it succeeds. This can e.g. prevent allocations from the slow path
   // to be in old.
   virtual void on_slowpath_allocation_exit(JavaThread* thread, oop new_obj) {}
-  virtual void flush_deferred_barriers(JavaThread* thread) {}
+  virtual void on_thread_create(JavaThread* thread) {}
+  virtual void on_thread_destroy(JavaThread* thread) {}
   virtual void make_parsable(JavaThread* thread) {}
 
 protected: