--- old/src/hotspot/share/gc/g1/g1OopClosures.inline.hpp	2020-05-11 06:09:36.420150437 -0400
+++ new/src/hotspot/share/gc/g1/g1OopClosures.inline.hpp	2020-05-11 06:09:36.028137524 -0400
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2001, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2001, 2020, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -58,7 +58,7 @@
          obj->forwardee() == RawAccess<>::oop_load(p)),
          "p should still be pointing to obj or to its forwardee");
 
-  _par_scan_state->push_on_queue(p);
+  _par_scan_state->push_on_queue(ScannerTask(p));
 }
 
 template <class T>