diff a/src/hotspot/share/gc/shared/oopStorageParState.inline.hpp b/src/hotspot/share/gc/shared/oopStorageParState.inline.hpp
--- a/src/hotspot/share/gc/shared/oopStorageParState.inline.hpp
+++ b/src/hotspot/share/gc/shared/oopStorageParState.inline.hpp
@@ -62,10 +62,14 @@
       block->iterate(atf_f);
     } while (++i < data._segment_end);
   }
 }
 
+inline void OopStorage::BasicParState::increment_dead_counter(size_t num_dead) {
+  Atomic::add(&_num_dead, num_dead);
+}
+
 template<bool concurrent, bool is_const>
 template<typename F>
 inline void OopStorage::ParState<concurrent, is_const>::iterate(F f) {
   _basic_state.template iterate<is_const>(f);
 }