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