Mercurial > hg > graal-compiler
view test/compiler/6885584/Test6885584.java @ 1087:23b9a8d315fc
6902701: G1: protect debugging code related to 6898948 with a debug flag
Summary: Protected stats dump with a new develop flag; other than for the dump, reconciled product and non-product behaviour in face of the error.
Reviewed-by: tonyp
author | ysr |
---|---|
date | Thu, 19 Nov 2009 10:19:19 -0800 |
parents | 03b336640699 |
children | c18cbe5936b8 |
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/* * Copyright 2009 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 6885584 * @summary A particular class structure causes large allocation spike for jit * * @run main/othervm -Xbatch Test6885584 */ public class Test6885584 { static private int i1; static private int i2; static private int i3; static int limit = Integer.MAX_VALUE - 8; public static void main(String args[]) { // Run long enough to trigger an OSR for(int j = 200000; j != 0; j--) { } // This must reference a field i1 = i2; // The resource leak is roughly proportional to this initial value for(int k = Integer.MAX_VALUE - 1; k != 0; k--) { // Make sure the body does some work if(i2 > i3)i1 = k; if (k <= limit) break; } } }