ref: 14d4a8e93c6804eb049eec51a5102c9d8b10c1c5 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)) }