/* * Copyright (c) 2026 IBM Corporation. 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 JDK-8387015 * @summary C2: crash with "named projection 2 not found" from ArrayCopyNode::finish_transform() for clone * @run main/othervm -Xcomp -XX:+UnlockDiagnosticVMOptions -XX:CompileOnly=${test.main.class}::test1 * -XX:CompileCommand=dontinline,${test.main.class}::notInlined -XX:+StressIGVN * -XX:StressSeed=1324432947 ${test.main.class} * @run main/othervm -Xcomp -XX:+UnlockDiagnosticVMOptions -XX:CompileOnly=${test.main.class}::test1 * -XX:CompileCommand=dontinline,${test.main.class}::notInlined -XX:+StressIGVN * ${test.main.class} */ package compiler.arraycopy; public class TestDeadCloneMem { private static int field; public static void main(String[] args) { int[] array = new int[10]; array.clone(); Object o = new Object(); test1(42, false); } private static int test1(int flag, boolean flag2) { int len; if (flag != 42) { if (flag2) { field = 42; } int[] array2; if (flag != 42) { len = -1; array2 = new int[4]; } else { len = 42; array2 = new int[100]; } int[] array = new int[len]; int length = array.length; int i = 0; do { synchronized (new Object()) {} notInlined(); array2.clone(); i++; } while (i < 10); return length; } return 0; } private static void notInlined() { } }