tests/cases/compiler/extendFromAny.ts(8,9): error TS2339: Property 'length' does not exist on type 'number'.
tests/cases/compiler/extendFromAny.ts(9,10): error TS2339: Property 'length' does not exist on type 'number'.


==== tests/cases/compiler/extendFromAny.ts (2 errors) ====
    declare var Base: any;
    class C extends Base {
        known = 1;
        static sknown = 2;
    }
    
    let c = new C();
    c.known.length; // error, 'known' has no 'length' property
            ~~~~~~
!!! error TS2339: Property 'length' does not exist on type 'number'.
    C.sknown.length; // error, 'sknown' has no 'length' property
             ~~~~~~
!!! error TS2339: Property 'length' does not exist on type 'number'.
    c.unknown.length; // ok, unknown: any
    C.sunknown.length; // ok: sunknown: any
    