| /* |
| * Copyright (c) 2023, 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 8315088 |
| * @requires vm.compiler2.enabled |
| * @summary C2: assert(wq.size() - before == EMPTY_LOOP_SIZE) failed: expect the EMPTY_LOOP_SIZE nodes of this body if empty |
| * @run main/othervm -Xbatch -XX:CompileCommand=compileonly,TestBrokenEmptyLoopLogic::* -XX:-TieredCompilation TestBrokenEmptyLoopLogic |
| * |
| */ |
| |
| public class TestBrokenEmptyLoopLogic { |
| |
| public static void main(String[] strArr) { |
| for (int i = 0; i < 10000; i++) { |
| test(); |
| } |
| } |
| |
| static void test() { |
| int i8 = 209, i = 1, i12 = 1; |
| while (++i < 8) { |
| for (int j = 5; j > 1; j -= 2) { |
| i12 = 1; |
| do { |
| } while (++i12 < 3); |
| } |
| for (int j = i; j < 5; ++j) { |
| i8 += i12; |
| } |
| } |
| } |
| } |
