Mercurial > hg > truffle
view test/compiler/6700047/Test6700047.java @ 447:2b42b31e7928
6676175: BigApps crash JVM Client VM (build 10.0-b22, mixed mode, sharing) with SIGSEGV (0xb)
Summary: Add test for biased locking epoch before walking own thread stack in case of rare race
Reviewed-by: phh, never
author | coleenp |
---|---|
date | Fri, 21 Nov 2008 08:09:11 -0800 |
parents | ee8f06bfb27c |
children | c18cbe5936b8 |
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/* * Copyright 2008 Sun Microsystems, Inc. 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. */ /** * @test * @bug 6700047 * @summary C2 failed in idom_no_update * @run main Test6700047 */ public class Test6700047 { static byte[] dummy = new byte[256]; public static void main(String[] args) { for (int i = 0; i < 100000; i++) { intToLeftPaddedAsciiBytes(); } } public static int intToLeftPaddedAsciiBytes() { int offset = 40; int q; int r; int i = 100; int result = 1; while (offset > 0) { q = (i * 52429); r = i; offset--; i = q; if (i == 0) { break; } } if (offset > 0) { for(int j = 0; j < offset; j++) { result++; dummy[i] = 0; } } return result; } }