/* * Copyright (c) 2021, 2023, 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 * @key stress randomness * @requires vm.compiler2.enabled * @bug 8269795 * @summary PhaseIdealLoop::peeled_dom_test_elim wrongly moves a non-dominated test out of a loop together with control dependent data nodes. * This results in a crash due to an out of bounds read of an array. * @run main/othervm -XX:+UnlockDiagnosticVMOptions -Xcomp -XX:-TieredCompilation -XX:+StressGCM * -XX:CompileCommand=compileonly,compiler.loopopts.TestPeelingRemoveDominatedTest::* compiler.loopopts.TestPeelingRemoveDominatedTest */ package compiler.loopopts; public class TestPeelingRemoveDominatedTest { public static int N = 400; static boolean bFld = true; static int iArrFld[] = new int[N]; public static void main(String[] strArr) { TestPeelingRemoveDominatedTest _instance = new TestPeelingRemoveDominatedTest(); for (int i = 0; i < 10; i++) { _instance.mainTest(); } } public void mainTest() { vMeth(); } static void vMeth() { iArrFld[1] = 2; int i6 = 2; while (--i6 > 0) { try { int i3 = (iArrFld[i6 - 1] / 56); iArrFld[1] = (-139 % i3); } catch (ArithmeticException a_e) { } if (bFld) { } } } }