/* * Copyright (c) 2020, Oracle and/or its affiliates. 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 8247743 * @requires vm.debug == true & vm.flavor == "server" * @summary Test which uses some special flags in order to test Node::find() in debug builds which could result in an endless loop or a stack overflow crash. * * @run main/othervm -Xbatch -XX:CompileCommand=option,*::*,bool,Vectorize,true -XX:CompileCommand=memlimit,compiler.c2.TestFindNode::*,0 * -XX:+PrintOpto -XX:+TraceLoopOpts compiler.c2.TestFindNode */ package compiler.c2; // Note; we disable the implicit memory limit of 1G in debug JVMs until JDK-8331283 is fixed public class TestFindNode { static volatile int[] iArr; static volatile int x; static int[] iArr2 = new int[100]; static int[] iArr3 = new int[100]; public static void main(String[] arr) { for (int i = 0; i < 2000; i++) { test(); } } public static void test() { iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; iArr = new int[] { x % 2 }; for (int i = 0; i < 50; i++) { iArr2[i] = iArr3[i]; } } }