ref: fef2165a21c9ed3c7c1e15ee82e5641b3d43c58f 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 castto(uint32) std.exit(v castto(int)) }