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