59 lines
1.8 KiB
Java
59 lines
1.8 KiB
Java
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/*
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* Copyright 2009 Sun Microsystems, Inc. All Rights Reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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* CA 95054 USA or visit www.sun.com if you need additional information or
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* have any questions.
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*
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*/
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/**
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* @test
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* @bug 6885584
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* @summary A particular class structure causes large allocation spike for jit
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*
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* @run main/othervm -Xbatch Test6885584
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*/
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public class Test6885584 {
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static private int i1;
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static private int i2;
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static private int i3;
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static int limit = Integer.MAX_VALUE - 8;
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public static void main(String args[]) {
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// Run long enough to trigger an OSR
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for(int j = 200000; j != 0; j--) {
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}
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// This must reference a field
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i1 = i2;
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// The resource leak is roughly proportional to this initial value
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for(int k = Integer.MAX_VALUE - 1; k != 0; k--) {
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// Make sure the body does some work
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if(i2 > i3)i1 = k;
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if (k <= limit) break;
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}
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}
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}
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