=== tests/cases/compiler/functionExpressionAndLambdaMatchesFunction.ts ===
class CDoc {
>CDoc : CDoc

        constructor() {
        function doSomething(a: Function) {
>doSomething : (a: Function) => void
>a : Function
>Function : Function
        }
        doSomething(() => undefined);
>doSomething(() => undefined) : void
>doSomething : (a: Function) => void
>() => undefined : () => any
>undefined : undefined

        doSomething(function () { });
>doSomething(function () { }) : void
>doSomething : (a: Function) => void
>function () { } : () => void
    }
}