/* * Copyright (c) 2026, 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 * @summary Verify constant locals used in binding patterns are materialized in temps * @enablePreview * @compile PrimitiveInstanceOfConstantLocalVerifyError.java * @compile -g:none PrimitiveInstanceOfConstantLocalVerifyError.java * @run main PrimitiveInstanceOfConstantLocalVerifyError */ public class PrimitiveInstanceOfConstantLocalVerifyError { void run() { final int x = 42; if (!(x instanceof byte b) || b != 42) { throw new AssertionError("primitive pattern failed"); } final String s = "hi"; if (!(s instanceof CharSequence cs) || !cs.toString().equals("hi")) { throw new AssertionError("reference pattern failed"); } } public static void main(String[] args) { new PrimitiveInstanceOfConstantLocalVerifyError().run(); } }