| /* |
| * 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 8268362 |
| * @requires vm.compiler2.enabled & vm.debug |
| * @summary C2 using negative array length as index, using array allocation length. |
| * This assertion is triggered by 8267904. |
| * @run main/othervm compiler.arraycopy.TestNegArrayLengthAsIndex2 |
| */ |
| |
| package compiler.arraycopy; |
| public class TestNegArrayLengthAsIndex2 { |
| |
| public static void main(String[] args) throws Exception { |
| for (int i = 0; i < 10000; i++) { |
| foo(); |
| } |
| } |
| |
| static int foo() { |
| int minusOne = -1; |
| int[] a = null; |
| try { |
| a = new int[minusOne]; |
| } catch (NegativeArraySizeException e) { |
| return 0; |
| } |
| return a[minusOne - 1]; |
| } |
| } |
