--- old/src/hotspot/share/gc/shared/workerDataArray.hpp	2019-12-05 11:25:15.418484355 +0100
+++ new/src/hotspot/share/gc/shared/workerDataArray.hpp	2019-12-05 11:25:15.075473713 +0100
@@ -45,10 +45,14 @@
   WorkerDataArray<size_t>* _thread_work_items[MaxThreadWorkItems];
 
  public:
-  WorkerDataArray(uint length, const char* title, bool is_serial = false);
+  WorkerDataArray(const char* title, uint length, bool is_serial = false);
   ~WorkerDataArray();
 
-  void link_thread_work_items(WorkerDataArray<size_t>* thread_work_items, uint index = 0);
+  // Create an integer sub-item at the given index to this WorkerDataArray. If length_override
+  // is zero, use the same number of elements as this array, otherwise use the given
+  // number.
+  void create_thread_work_items(const char* title, uint index = 0, uint length_override = 0);
+
   void set_thread_work_item(uint worker_i, size_t value, uint index = 0);
   void add_thread_work_item(uint worker_i, size_t value, uint index = 0);
   void set_or_add_thread_work_item(uint worker_i, size_t value, uint index = 0);