/* * Copyright (c) 2023, Red Hat, Inc. 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 8305189 * @summary C2 failed "assert(_outcnt==1) failed: not unique" * @library /test/lib * @run main/othervm -Xcomp -XX:CompileOnly=TestZeroTripGuardShared::* TestZeroTripGuardShared */ import jdk.test.lib.Utils; public class TestZeroTripGuardShared { static double dFld1; static int iArrFld[]; public static void main(String[] strArr) throws Exception { Thread thread = new Thread() { public void run() { test(); } }; // Give thread some time to trigger compilation thread.setDaemon(true); thread.start(); Thread.sleep(Utils.adjustTimeout(500)); } static void test() { int i5 = 2, i8 = 2, i9, i11, i12; while (i8 < 5) { for (i9 = i8; 6 > i9; i9++) { for (i11 = 1; i11 > i9; i11 -= 2) { try { i12 = iArrFld[i11]; } catch (ArithmeticException a_e) { } i5 += dFld1; } } } } }