ref: 4d8b6e9b82dedd90e92d0cb1be10e93b7e76da2c 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)) }