hotspot/test/compiler/6795161/Test.java
author kvn
Thu, 05 Feb 2009 14:43:58 -0800
changeset 2029 4ba79339bc0c
child 5547 f4b087cbb361
permissions -rw-r--r--
6799693: Server compiler leads to data corruption when expression throws an Exception Summary: Use merged memory state for an allocation's slow path. Reviewed-by: never
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/*
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 * Copyright 2009 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 *
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 */
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/*
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 * @test
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 * @bug 6795161
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 * @summary Escape analysis leads to data corruption
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 * @run main/othervm -server -Xcomp -XX:CompileOnly=Test -XX:+DoEscapeAnalysis Test
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 */
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class Test_Class_1 {
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    static String var_1;
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    static void badFunc(int size)
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    {
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        try {
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          for (int i = 0; i < 1; (new byte[size-i])[0] = 0, i++) {}
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        } catch (Exception e) {
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          // don't comment it out, it will lead to correct results ;)
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          //System.out.println("Got exception: " + e);
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        }
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    }
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}
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public class Test {
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    static String var_1_copy = Test_Class_1.var_1;
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    static byte var_check;
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    public static void main(String[] args)
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    {
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        var_check = 1;
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        Test_Class_1.badFunc(-1);
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        System.out.println("EATester.var_check = " + Test.var_check + " (expected 1)\n");
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    }
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}
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