/* * Copyright (c) 2025, 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 8357781 * @summary Triggered a stack overflow in PhaseCFG::set_next_call due to a legitimately big (mostly deep and not wide) graph. * * @run main/othervm -Xcomp -XX:LoopUnrollLimit=8192 -XX:CompileCommand=compileonly,StackOverflowInSetNextCall::test StackOverflowInSetNextCall * @run main StackOverflowInSetNextCall * */ import java.util.Arrays; public class StackOverflowInSetNextCall { public static Double d; static Long[] arr = new Long[500]; public static double test() { long x = 0; for (int i = 0; i < 100; i++) { for (int j = 0; j < 100; j++) { if (!Arrays.equals(arr, arr)) { for (int k = 0; k < 100; k++) { for (int l = 0; l < 100; ++l) { x -= (j - k) * x; for (int m = 0; m < 100; m++) { x += x; x += x - (x - arr[i]); } } d = 0.0d; } } } } return x; } public static void main(String[] args) { for (int i = 0; i < 400; ++i) { test(); } } }