83 lines
2.7 KiB
Java
83 lines
2.7 KiB
Java
/*
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* Copyright (c) 2009, 2022, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 6826736
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* @summary CMS: core dump with -XX:+UseCompressedOops
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*
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* @requires vm.bits == 64
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* @run main/othervm/timeout=600 -XX:+IgnoreUnrecognizedVMOptions -Xbatch
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* -XX:+ScavengeALot -XX:+UseCompressedOops -XX:HeapBaseMinAddress=32g
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* -XX:CompileThreshold=100 -XX:-BlockLayoutRotateLoops
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* -XX:LoopUnrollLimit=0 -Xmx256m -XX:ParallelGCThreads=4
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* -XX:CompileCommand=compileonly,compiler.runtime.Test6826736::test
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* compiler.runtime.Test6826736
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*/
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package compiler.runtime;
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public class Test6826736 {
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int[] arr;
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int[] arr2;
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int test(int r) {
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for (int i = 0; i < 100; i++) {
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for (int j = i; j < 100; j++) {
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int a = 0;
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for (long k = 0; k < 100; k++) {
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a += k;
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}
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if (arr != null)
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a = arr[j];
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r += a;
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}
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}
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return r;
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}
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public static void main(String[] args) {
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int r = 0;
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Test6826736 t = new Test6826736();
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for (int i = 0; i < 100; i++) {
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t.arr = new int[100];
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r = t.test(r);
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}
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System.out.println("Warmup 1 is done.");
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for (int i = 0; i < 100; i++) {
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t.arr = null;
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r = t.test(r);
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}
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System.out.println("Warmup 2 is done.");
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for (int i = 0; i < 100; i++) {
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t.arr = new int[100];
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r = t.test(r);
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}
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System.out.println("Warmup is done.");
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for (int i = 0; i < 100; i++) {
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t.arr = new int[1000000];
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t.arr = null;
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r = t.test(r);
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}
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}
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}
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