=== tests/cases/compiler/functionOverloads31.ts ===
function foo(bar:string):string;
>foo : { (bar: string): string; (bar: number): number; }
>bar : string

function foo(bar:number):number;
>foo : { (bar: string): string; (bar: number): number; }
>bar : number

function foo(bar:any):any{ return bar }
>foo : { (bar: string): string; (bar: number): number; }
>bar : any
>bar : any

var x = foo(5);
>x : number
>foo(5) : number
>foo : { (bar: string): string; (bar: number): number; }