ref: 0f8acbf5559d4710faa41fdb81a5bc892f1a753f 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)) }