--- old/test/jdk/java/lang/annotation/loaderLeak/Main.java 2019-06-19 14:18:52.515951701 +0800 +++ new/test/jdk/java/lang/annotation/loaderLeak/Main.java 2019-06-19 14:18:52.295946851 +0800 @@ -1,5 +1,5 @@ /* - * Copyright (c) 2004, 2012, Oracle and/or its affiliates. All rights reserved. + * Copyright (c) 2004, 2019, 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 @@ -56,6 +56,7 @@ if (c.get() == null) throw new AssertionError(); System.gc(); System.gc(); + Reference.reachabilityFence(loader); loader = null; // Might require multiple calls to System.gc() for weak-references