ref: 5fc8fe7bec594a98c7a2b9fbdfc5f7fb4f11c7c9 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)) }