/* * 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 8367002 8370766 * @summary Compilers might not generate handlers for recursive exceptions * * @compile IllegalAccessInCatch.jasm * @run main/othervm -Xbatch * -XX:CompileCommand=compileonly,IllegalAccessInCatch*::test * -XX:+IgnoreUnrecognizedVMOptions -XX:+VerifyStack * -XX:-TieredCompilation * TestAccessErrorInCatch * @run main/othervm -Xbatch * -XX:CompileCommand=compileonly,IllegalAccessInCatch*::test * -XX:+IgnoreUnrecognizedVMOptions -XX:+VerifyStack * -XX:TieredStopAtLevel=3 * TestAccessErrorInCatch */ import java.lang.invoke.MethodHandle; import java.lang.invoke.MethodHandles; import java.lang.invoke.MethodType; import java.nio.file.Files; import java.nio.file.FileSystems; import java.nio.file.Path; import java.nio.file.Paths; public class TestAccessErrorInCatch { public static void main(String[] args) throws Throwable { Path TEST_CLASSES_DIR = FileSystems.getDefault().getPath(System.getProperty("test.classes")); byte[] bytes = Files.readAllBytes(TEST_CLASSES_DIR.resolve("IllegalAccessInCatch.class")); var l = MethodHandles.lookup().defineHiddenClass(bytes, true); Class anonClass = l.lookupClass(); MethodHandle mh = l.findStatic(anonClass, "test", MethodType.methodType(int.class)); for (int i = 0; i < 16_000; i++) { invoke(mh); } System.out.println(invoke(mh)); } private static int invoke(MethodHandle mh) throws Throwable { int expected = 1; int ret = (int) mh.invokeExact(); if (ret != expected) { throw new RuntimeException("Returned " + ret + " but expected " + expected); } return ret; } }