test/compiler/5091921/Test6935022.java

Mon, 28 Jul 2014 15:06:38 -0700

author
fzhinkin
date
Mon, 28 Jul 2014 15:06:38 -0700
changeset 6997
dbb05f6d93c4
parent 0
f90c822e73f8
permissions
-rw-r--r--

8051344: JVM crashed in Compile::start() during method parsing w/ UseRTMDeopt turned on
Summary: call rtm_deopt() only if there were no compilation bailouts before.
Reviewed-by: kvn

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 *
aoqi@0 23 */
aoqi@0 24
aoqi@0 25 /**
aoqi@0 26 * @test
aoqi@0 27 * @bug 6935022
aoqi@0 28 * @summary Server VM incorrectly breaks out of while loop
aoqi@0 29 *
aoqi@0 30 * @run main Test6935022
aoqi@0 31 */
aoqi@0 32
aoqi@0 33 public class Test6935022 {
aoqi@0 34 public static final void main(String[] args) throws Exception {
aoqi@0 35 Test6935022 test = new Test6935022();
aoqi@0 36
aoqi@0 37 int cnt = 0;
aoqi@0 38
aoqi@0 39 while (cnt < 10000) {
aoqi@0 40 try {
aoqi@0 41 ++cnt;
aoqi@0 42 if ((cnt&1023) == 0)
aoqi@0 43 System.out.println("Thread="+Thread.currentThread().getName() + " iteration: " + cnt);
aoqi@0 44 test.loop(2147483647, (cnt&1023));
aoqi@0 45 }
aoqi@0 46
aoqi@0 47 catch (Exception e) {
aoqi@0 48 System.out.println("Caught on iteration " + cnt);
aoqi@0 49 e.printStackTrace();
aoqi@0 50 System.exit(97);
aoqi@0 51 }
aoqi@0 52 }
aoqi@0 53 }
aoqi@0 54
aoqi@0 55 private void loop(int endingRow, int mask) throws Exception {
aoqi@0 56 int rows = 1;
aoqi@0 57 boolean next = true;
aoqi@0 58
aoqi@0 59 while(rows <= endingRow && next) {
aoqi@0 60 rows++;
aoqi@0 61 if (rows == mask)
aoqi@0 62 System.out.println("Rows="+rows+", end="+endingRow+", next="+next);
aoqi@0 63 next = next(rows);
aoqi@0 64 }
aoqi@0 65
aoqi@0 66 if (next)
aoqi@0 67 throw new Exception("Ended on rows(no rs): " + rows);
aoqi@0 68 }
aoqi@0 69
aoqi@0 70 private boolean next(int rows) {
aoqi@0 71 return rows < 12;
aoqi@0 72 }
aoqi@0 73 }
aoqi@0 74

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