=== tests/cases/compiler/functionOverloads31.ts ===
function foo(bar:string):string;
>foo : Symbol(foo, Decl(functionOverloads31.ts, 0, 0), Decl(functionOverloads31.ts, 0, 32), Decl(functionOverloads31.ts, 1, 32))
>bar : Symbol(bar, Decl(functionOverloads31.ts, 0, 13))

function foo(bar:number):number;
>foo : Symbol(foo, Decl(functionOverloads31.ts, 0, 0), Decl(functionOverloads31.ts, 0, 32), Decl(functionOverloads31.ts, 1, 32))
>bar : Symbol(bar, Decl(functionOverloads31.ts, 1, 13))

function foo(bar:any):any{ return bar }
>foo : Symbol(foo, Decl(functionOverloads31.ts, 0, 0), Decl(functionOverloads31.ts, 0, 32), Decl(functionOverloads31.ts, 1, 32))
>bar : Symbol(bar, Decl(functionOverloads31.ts, 2, 13))
>bar : Symbol(bar, Decl(functionOverloads31.ts, 2, 13))

var x = foo(5);
>x : Symbol(x, Decl(functionOverloads31.ts, 3, 3))
>foo : Symbol(foo, Decl(functionOverloads31.ts, 0, 0), Decl(functionOverloads31.ts, 0, 32), Decl(functionOverloads31.ts, 1, 32))