=== tests/cases/compiler/moduleCodegenTest4.ts ===
export module Baz { export var x = "hello"; }
>Baz : typeof Baz
>x : string

Baz.x = "goodbye";
>Baz.x = "goodbye" : string
>Baz.x : string
>Baz : typeof Baz
>x : string

void 0;
>void 0 : undefined