ref: 1c61d05cba15d7e93d3207d4f3ab3c6043d63b77 dir: /test/zwidencast.myr/
use std /* should zero-extend u when casting to v, returning 99 */ const main = { var u : uint8 var v : uint32 u = 99 v = (u : uint32) std.exit((v : int)) }