Mercurial > hg > truffle
view test/compiler/5091921/Test6935022.java @ 10389:f15fe46d8c00
8015266: fix some -Wsign-compare warnings in adlc
Reviewed-by: kvn
author | twisti |
---|---|
date | Thu, 30 May 2013 08:37:08 -0700 |
parents | bad7ecd0b6ed |
children |
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/* * Copyright (c) 2011, Oracle and/or its affiliates. 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 6935022 * @summary Server VM incorrectly breaks out of while loop * * @run main Test6935022 */ public class Test6935022 { public static final void main(String[] args) throws Exception { Test6935022 test = new Test6935022(); int cnt = 0; while (cnt < 10000) { try { ++cnt; if ((cnt&1023) == 0) System.out.println("Thread="+Thread.currentThread().getName() + " iteration: " + cnt); test.loop(2147483647, (cnt&1023)); } catch (Exception e) { System.out.println("Caught on iteration " + cnt); e.printStackTrace(); System.exit(97); } } } private void loop(int endingRow, int mask) throws Exception { int rows = 1; boolean next = true; while(rows <= endingRow && next) { rows++; if (rows == mask) System.out.println("Rows="+rows+", end="+endingRow+", next="+next); next = next(rows); } if (next) throw new Exception("Ended on rows(no rs): " + rows); } private boolean next(int rows) { return rows < 12; } }