--- old/src/hotspot/share/gc/shenandoah/shenandoahMode.hpp	2020-04-06 16:01:04.388779737 +0200
+++ new/src/hotspot/share/gc/shenandoah/shenandoahMode.hpp	2020-04-06 16:01:04.278779807 +0200
@@ -33,6 +33,9 @@
 public:
   virtual void initialize_flags() const = 0;
   virtual ShenandoahHeuristics* initialize_heuristics() const = 0;
+  virtual const char* name() = 0;
+  virtual bool is_diagnostic() = 0;
+  virtual bool is_experimental() = 0;
 };
 
 #endif // SHARE_GC_SHENANDOAH_SHENANDOAHMODE_HPP