ref: b2d29ed0eebd0e3e2c162b5e83d6d0e8b6ddee57 dir: /test/swidencast.myr/
use std /* sign extending cast. should exit with status 99 */ const main = { var u : int8 var v : int32 u = 99 v = u castto(int32) std.exit(v castto(int)) }