73 lines
2.2 KiB
Java
73 lines
2.2 KiB
Java
/*
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* Copyright (c) 2024, 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 8329757
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* @summary Deoptimization with nested eliminated and not eliminated locks
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* caused reordered lock stacks. This can be handled by the interpreter
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* but when a frame is migrated back to compiled code via OSR the C2
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* assumption about balanced monitorenter-monitorexit is broken.
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*
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* @requires vm.compMode != "Xint"
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*
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* @run main/othervm compiler.escapeAnalysis.Test8329757
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*/
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package compiler.escapeAnalysis;
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public class Test8329757 {
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int a = 400;
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Double ddd;
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void q() {
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int e;
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synchronized (new Double(1.1f)) {
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int[] f = new int[a];
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synchronized (Test8329757.class) {
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for (int d = 4; d < 127; d++) {
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e = 13;
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do switch (d * 5) {
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case 0:
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case 42:
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case 29:
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e = d;
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default:
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f[1] = e;
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} while (--e > 0);
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}
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}
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}
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}
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void n() {
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for (int j = 6; j < 274; ++j) q();
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}
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public static void main(String[] args) {
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Test8329757 r = new Test8329757();
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for (int i = 0; i < 1000; i++) r.n();
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}
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}
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