62 lines
2.0 KiB
Java
62 lines
2.0 KiB
Java
/*
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* Copyright (c) 2020, Huawei Technologies Co., Ltd. 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 8240576
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* @summary JVM crashes after transformation in C2 IdealLoopTree::merge_many_backedges
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*
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* @run main/othervm -XX:-TieredCompilation -XX:-BackgroundCompilation
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* compiler.loopopts.TestBeautifyLoops
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*/
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package compiler.loopopts;
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public class TestBeautifyLoops {
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private int mI = 0;
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private long mJ = 0;
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private float mF = 0f;
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public void testMethod() {
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for (int i0 = 0; i0 < 100; i0++) {
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if (mF != 0) {
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// do nothing
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} else {
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try {
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mJ = Long.MAX_VALUE;
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for (int i1 = 0; i1 < 101; i1++) {
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for (int i2 = 0; i2 < 102; i2++) {
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mI = new Integer(0x1234);
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}
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}
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} catch (Exception ignored) {}
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}
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}
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}
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public static void main(String[] args) {
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TestBeautifyLoops obj = new TestBeautifyLoops();
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obj.testMethod();
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}
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}
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