/* Copyright (c) 2022, 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 * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 8285835 * @summary EA does not propagate NSR (not scalar replaceable) state. * @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation -XX:-UseOnStackReplacement TestBrokenEA */ public class TestBrokenEA { public static void main(String[] args) { for (int i = 0; i < 20_000; i++) { test1(true); test1(false); test2(true); test2(false); } } private static void test1(boolean flag) { A[] array = new A[1]; if (flag) { C c = new C(); B b = new B(); b.c = c; A a = new A(); a.b = b; array[0] = a; } A a = array[0]; if (a != null) { a.b.c.f = 0x42; } } private static void test2(boolean flag) { A a = null; if (flag) { C c = new C(); B b = new B(); b.c = c; a = new A(); a.b = b; } if (a != null) { a.b.c.f = 0x42; } } private static class A { public B b; } private static class B { public C c; } private static class C { public int f; } }