/* * Copyright (c) 2025, Red Hat, Inc. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* * @test * @bug 8347040 * @summary C2: assert(!loop->_body.contains(in)) failed * @run main/othervm -XX:-BackgroundCompilation TestAssertWhenOuterStripMinedLoopRemoved */ import static java.lang.foreign.ValueLayout.JAVA_LONG; import java.lang.foreign.Arena; import java.lang.foreign.MemorySegment; public class TestAssertWhenOuterStripMinedLoopRemoved { static final int COUNT = 100000; static final MemorySegment segment = Arena.global().allocate(JAVA_LONG, COUNT); public static void main(String[] args) { for (int i = 0; i < 10000; i++) { test(); } } static void test() { var i = 0; var j = 0; while (i < 100000) { segment.setAtIndex(JAVA_LONG, i++, 0); segment.setAtIndex(JAVA_LONG, j++, 0); } } }