ref: 2e258c1d7419c170acb950b6af3b3b924c856b2f
dir: /test/empty-struct.myr/
use std
type foo = struct
;;
type bar = struct
baz : foo[:]
quux : foo[0][:]
;;
const main = {
var a : foo
var z : foo[0]
var b : bar = [.baz = [a, a][:], .quux = [z, z, z][:]]
var c : int = 0
for f : b.baz
c += 3
;;
for f : b.quux
c += 5
;;
std.exit(c)
}