1 /*
 2  * Copyright (c) 2023, Oracle and/or its affiliates. All rights reserved.
 3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 
24 /**
25  * @test
26  * @bug 8313323
27  * @summary Verify javac does not produce incorrect LocalVariableTable
28  * @enablePreview
29  * @compile -g UnnamedLocalVariableTable.java
30  * @run main UnnamedLocalVariableTable
31  */
32 public class UnnamedLocalVariableTable {
33     public static void main(String... args) {
34         try {
35             int _ = 0;
36             if (args[0] instanceof String _) {
37                 System.err.println("1");
38             }
39             I i = _ -> {};
40             java.util.List<String> _ = null;
41         } catch (Exception _) {
42             System.err.println("2");
43         }
44     }
45 
46     interface I {
47         public void test(String s);
48     }
49 }