ref: 4a1f9034d1e1c0f21a9c677c0b04b61aea3d3121 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)) }