src/hotspot/share/gc/g1/g1FullGCAdjustTask.cpp

@@ -99,11 +99,11 @@
   G1FullGCMarker* marker = collector()->marker(worker_id);
   marker->preserved_stack()->adjust_during_full_gc();
 
   // Adjust the weak roots.
 
-  if (Atomic::add(1u, &_references_done) == 1u) { // First incr claims task.
+  if (Atomic::add(&_references_done, 1u) == 1u) { // First incr claims task.
     G1CollectedHeap::heap()->ref_processor_stw()->weak_oops_do(&_adjust);
   }
 
   AlwaysTrueClosure always_alive;
   _weak_proc_task.work(worker_id, &always_alive, &_adjust);