--- old/src/hotspot/share/gc/g1/g1OopClosures.hpp	2019-09-18 17:51:11.985425567 +0200
+++ new/src/hotspot/share/gc/g1/g1OopClosures.hpp	2019-09-18 17:51:11.797424521 +0200
@@ -209,12 +209,12 @@
 
 class G1ConcurrentRefineOopClosure: public BasicOopIterateClosure {
   G1CollectedHeap* _g1h;
-  uint _worker_i;
+  uint _worker_id;
 
 public:
-  G1ConcurrentRefineOopClosure(G1CollectedHeap* g1h, uint worker_i) :
+  G1ConcurrentRefineOopClosure(G1CollectedHeap* g1h, uint worker_id) :
     _g1h(g1h),
-    _worker_i(worker_i) {
+    _worker_id(worker_id) {
   }
 
   virtual ReferenceIterationMode reference_iteration_mode() { return DO_FIELDS; }