ref: 123ae8f453ef8add7d8abe42975066ec15f81a57
dir: /test/voidcall.myr/
use std
/* checks that calling void functions works. should compile, and not die
when running. the exit value is 12, but it's really a dummy. */
const f = {
var a
a = a + 1
}
const main = {
f()
std.exit(12)
}