=== tests/cases/compiler/functionOverloads24.ts ===
function foo(bar:number):(b:string)=>void;
>foo : { (bar: number): (b: string) => void; (bar: string): (a: number) => void; }
>bar : number
>b : string

function foo(bar:string):(a:number)=>void;
>foo : { (bar: number): (b: string) => void; (bar: string): (a: number) => void; }
>bar : string
>a : number

function foo(bar:any):(a)=>void { return function(){} }
>foo : { (bar: number): (b: string) => void; (bar: string): (a: number) => void; }
>bar : any
>a : any
>function(){} : () => void