=== tests/cases/compiler/widenedTypes1.ts ===
var a = null;
>a : Symbol(a, Decl(widenedTypes1.ts, 0, 3))

var b = undefined;
>b : Symbol(b, Decl(widenedTypes1.ts, 1, 3))
>undefined : Symbol(undefined)

var c = {x: null};
>c : Symbol(c, Decl(widenedTypes1.ts, 3, 3))
>x : Symbol(x, Decl(widenedTypes1.ts, 3, 9))

var d = [{x: null}];
>d : Symbol(d, Decl(widenedTypes1.ts, 4, 3))
>x : Symbol(x, Decl(widenedTypes1.ts, 4, 10))

var f = [null, null];
>f : Symbol(f, Decl(widenedTypes1.ts, 5, 3))

var g = [undefined, undefined];
>g : Symbol(g, Decl(widenedTypes1.ts, 6, 3))
>undefined : Symbol(undefined)
>undefined : Symbol(undefined)

var h = [{x: undefined}];
>h : Symbol(h, Decl(widenedTypes1.ts, 7, 3))
>x : Symbol(x, Decl(widenedTypes1.ts, 7, 10))
>undefined : Symbol(undefined)