test/langtools/tools/javac/T8305582.java - master - githubmirror/panama-vector

test/langtools/tools/javac/T8305582.java

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8305582: Compiler crash when compiling record patterns with var

23 май 2023, 14:18

23 май 2023, 14:1880d7de7

/*
 * Copyright (c) 2023, 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 8305582
 * @summary Compiler crash when compiling record patterns with var
 * @compile/fail/ref=T8305582.out -XDrawDiagnostics -XDshould-stop.at=FLOW T8305582.java
 */

public class T8305582 {
    record Point(int x, int y) {}
    enum Color {RED, GREEN, BLUE}
    record ColoredPoint (Point p, Color c) {}

    public static void foo(Object o) {
        if (o instanceof ColoredPoint(var(var x, var y), var c)) { }

        switch(o) {
            case ColoredPoint(var (var x, var y), var c):
                break;
            default:
        }

        if (o instanceof ColoredPoint(var(int x, int y), var c)) { }
        if (o instanceof ColoredPoint(var(int x, var y), var c)) { }
        if (o instanceof var(Point x, Point y)) { }
    }
}