=== tests/cases/compiler/toStringOnPrimitives.ts ===
true.toString()
>true.toString() : string
>true.toString : () => string
>true : boolean
>toString : () => string

var aBool = false;
>aBool : boolean
>false : boolean

aBool.toString();
>aBool.toString() : string
>aBool.toString : () => string
>aBool : boolean
>toString : () => string

1..toString();
>1..toString() : string
>1..toString : (radix?: number) => string
>1. : number
>toString : (radix?: number) => string