8232050: Improve inlining of Klass accessors

Reviewed-by: lfoltan, tschatzl, coleenp, dholmes, jiangli

src/hotspot/share/oops/instanceKlass.hpp

@@ -992,7 +992,6 @@ public:
   void process_interfaces(Thread *thread);
 
   // virtual operations from Klass
-  bool is_leaf_class() const               { return _subklass == NULL; }
   GrowableArray<Klass*>* compute_secondary_supers(int num_extra_slots,
                                                   Array<InstanceKlass*>* transitive_interfaces);
   bool can_be_primary_super_slow() const;