==== tests/cases/compiler/bases.ts (10 errors) ====
    interface I {
        x;
    }
    
    class B {
        constructor() {
            this.y: any;
                  ~
!!! ';' expected.
                 ~
!!! Property 'y' does not exist on type 'B'.
                    ~~~
!!! Cannot find name 'any'.
        }
    }
    
    class C extends B implements I {
          ~
!!! Class 'C' incorrectly implements interface 'I':
!!!   Property 'x' is missing in type 'C'.
        constructor() {
        ~~~~~~~~~~~~~~~
            this.x: any;
                  ~
!!! ';' expected.
    ~~~~~~~~~~~~~~~~~~~~
                 ~
!!! Property 'x' does not exist on type 'C'.
                    ~~~
!!! Cannot find name 'any'.
        }
    ~~~~~
!!! Constructors for derived classes must contain a 'super' call.
    }
    
    new C().x;
            ~
!!! Property 'x' does not exist on type 'C'.
    new C().y;
            ~
!!! Property 'y' does not exist on type 'C'.