Bug 577987

Description Nicolas Baumann 2021-12-29 07:06:47 EST

A minimal example below. The error happens on field 'executors' and seems related to the new syntax of instanceof.


Version: 2021-12 (4.22.0)
Build id: 20211202-1639



import java.util.concurrent.Executors;
import java.util.concurrent.ScheduledExecutorService;

import javax.swing.SwingUtilities;

public class MainController {

    private final ScheduledExecutorService executor = Executors.newScheduledThreadPool(2);

    public void testOK(Object o) {
        executor.submit(() -> {
            SwingUtilities.invokeLater(() -> {
                if (o instanceof Runnable) {
                    Runnable r = (Runnable)o;
                    r.run();
                }
            });
        });

    }

    public void testKO(Object o) {
        executor.submit(() -> {
            SwingUtilities.invokeLater(() -> {
                if (o instanceof Runnable r) {
                    r.run();
                }
            });
        });
    }
}