=== tests/cases/compiler/widenedTypes1.ts ===
var a = null;
>a : any

var b = undefined;
>b : any
>undefined : undefined

var c = {x: null};
>c : { x: any; }
>{x: null} : { x: null; }
>x : null

var d = [{x: null}];
>d : { x: any; }[]
>[{x: null}] : { x: null; }[]
>{x: null} : { x: null; }
>x : null

var f = [null, null];
>f : any[]
>[null, null] : null[]

var g = [undefined, undefined];
>g : any[]
>[undefined, undefined] : undefined[]
>undefined : undefined
>undefined : undefined

var h = [{x: undefined}];
>h : { x: any; }[]
>[{x: undefined}] : { x: undefined; }[]
>{x: undefined} : { x: undefined; }
>x : undefined
>undefined : undefined