71 lines
2.6 KiB
Java
71 lines
2.6 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 8322743
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* @summary EA incorrectly marks locks for elimination for escaped object which comes from Interpreter in OSR compilation.
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* @run main/othervm -XX:-TieredCompilation -Xcomp -XX:CompileCommand=compileonly,TestLocksInOSR*::* -XX:CompileCommand=quiet TestLocksInOSR
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* @run main TestLocksInOSR
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*/
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public class TestLocksInOSR {
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public static void main(String[] args) throws Exception {
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// Triggers assert(this->held_monitor_count() == this->jni_monitor_count()) failed: held monitor count should be equal to jni: 1 != 0
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test1();
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// Triggers assert(current->held_monitor_count() == 0) failed: Should not be possible
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test2();
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}
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static void test1() throws Exception {
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Thread writeThread = new Thread(new Runnable() {
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@Override
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public void run() {
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for (int i = 0; i < 2; ++i) {
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synchronized (new Object()) {
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// Trigger OSR compilation
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for (int j = 0; j < 100_000; ++j) {
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// We still have safepoint left in code
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}
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}
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}
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}
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});
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writeThread.start();
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writeThread.join();
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}
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static void test2() {
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for (int i = 0; i < 2; ++i) {
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synchronized (new Object()) {
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// Trigger OSR compilation
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for (int j = 0; j < 100_000; ++j) {
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// We still have safepoint left in code
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}
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}
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}
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}
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}
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