/* * Copyright (C) 2021 THL A29 Limited, a Tencent company. 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 8267904 * @requires vm.compiler2.enabled * @summary C2 inline array_copy move CastIINode(Array Length) before allocation cause crash. * @run main/othervm compiler.arraycopy.TestNegativeArrayCopyAfterLoop */ package compiler.arraycopy; import java.util.Arrays; class test { public static int exp_count = 0; public int in1 = -4096; test (){ try { short sha4[] = new short[1012]; for (int i = 0; i < sha4.length; i++) { sha4[i] = 9; } Arrays.copyOf(sha4, in1); } catch (Exception ex) { exp_count++; } } } public class TestNegativeArrayCopyAfterLoop { public static void main(String[] args) { for (int i = 0; i < 20000; i++) { new test(); } if (test.exp_count == 20000) { System.out.println("TEST PASSED"); } } }