8261799: Remove unnecessary cast in psParallelCompact.hpp

Reviewed-by: ayang, stefank

Author: lkorinth

src/hotspot/share/gc/parallel/psParallelCompact.hpp

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2005, 2020, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2005, 2021, 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
@@ -1144,7 +1144,7 @@ class PSParallelCompact : AllStatic {
  static bool initialize();
 
  // Closure accessors
- static BoolObjectClosure* is_alive_closure() { return (BoolObjectClosure*)&_is_alive_closure; }
+ static BoolObjectClosure* is_alive_closure() { return &_is_alive_closure; }
 
  // Public accessors
  static elapsedTimer* accumulated_time() { return &_accumulated_time; }