hotspot/test/compiler/6769124/TestArrayCopy6769124.java
author duke
Wed, 05 Jul 2017 17:50:24 +0200
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permissions -rw-r--r--
Merge
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/*
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 * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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 * or visit www.oracle.com if you need additional information or have any
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 * questions.
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 *
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 */
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/**
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 * @test
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 * @bug 6769124
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 * @summary arraycopy may crash the VM with c1 on 64 bit
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 */
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public class TestArrayCopy6769124 {
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    public static void main(String[] args) {
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        int k = 1 << 31;
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        for(int j = 0; j <1000000; j++) {
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            int i = -1;
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            while(i < 10) {
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                i++;
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            }
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            int m = k * i;
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            int[] O1 = new int[20];
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            int[] O2 = new int[20];
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            System.arraycopy(O1, i, O2, i, 1); //will crash on amd64
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            System.arraycopy(O1, m, O2, m, 1); //will crash on sparcv9
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        }
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    }
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}