=== tests/cases/compiler/global.ts ===
module M {
>M : Symbol(M, Decl(global.ts, 0, 0))

    export function f(y:number) {
>f : Symbol(f, Decl(global.ts, 0, 10))
>y : Symbol(y, Decl(global.ts, 1, 22))

        return x+y;
>x : Symbol(x, Decl(global.ts, 6, 3))
>y : Symbol(y, Decl(global.ts, 1, 22))
    }
}

var x=10;
>x : Symbol(x, Decl(global.ts, 6, 3))

M.f(3);
>M.f : Symbol(M.f, Decl(global.ts, 0, 10))
>M : Symbol(M, Decl(global.ts, 0, 0))
>f : Symbol(M.f, Decl(global.ts, 0, 10))