--- old/src/share/vm/gc/g1/g1DefaultPolicy.hpp	2016-08-31 11:44:43.984201199 +0200
+++ new/src/share/vm/gc/g1/g1DefaultPolicy.hpp	2016-08-31 11:44:43.838196694 +0200
@@ -360,6 +360,8 @@
 
   AgeTable _survivors_age_table;
 
+protected:
+  size_t desired_survivor_size() const;
 public:
   uint tenuring_threshold() const { return _tenuring_threshold; }
 
@@ -374,11 +376,13 @@
   void note_stop_adding_survivor_regions() {
     _survivor_surv_rate_group->stop_adding_regions();
   }
-
+ 
   void record_age_table(AgeTable* age_table) {
     _survivors_age_table.merge(age_table);
   }
 
+  void print_age_table();
+
   void update_max_gc_locker_expansion();
 
   void update_survivors_policy();