QFileSystemWatcher moved to thread causes exit failure

class myClass : public QObject
{
    Q_OBJECT

    QFileSystemWatcher* watcher;

public:
    explicit myClass(QObject *parent = nullptr) : QObject(parent)
    {
        watcher = new QFileSystemWatcher(this);
    }
};

int main(int argc, char *argv[])
{
    QApplication app(argc, argv);

    QThread t;
    myClass* c = new myClass();
    c->moveToThread(&t);
    QObject::connect(&t, SIGNAL(finished()), c, SLOT(deleteLater()));
    t.start(QThread::NormalPriority);

    t.quit();
    t.wait();

    return app.exec();
}