==== tests/cases/compiler/constructorOverloads3.ts (1 errors) ====
    declare class FooBase {
        constructor(s: string);
        constructor(n: number);
        constructor(x: any);
    }
    
    
     class Foo extends FooBase {
        constructor(s: string);
        constructor(n: number);
        constructor(a: any);
        constructor(x: any, y?: any) { }
        ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
!!! Constructors for derived classes must contain a 'super' call.
        bar1() { /*WScript.Echo("Yo");*/}
    }
    
    var f1 = new Foo("hey");
    var f2 = new Foo(0);
    var f3 = new Foo(f1);
    var f4 = new Foo([f1,f2,f3]);
    
    f1.bar1();