let v1 = testRunner.toLocaleString;
class C3 {
}
class C4 extends C3 {
    constructor() {
        switch (3) {
            case 3:
            case 4:
            case 5:
            case 6:
                v1 >>>= this;
            case -14:
                break;
            case 9:
            default:
                break;
            case this:
                break;
            case 13:
        }
    }
}
new C4();