ref: f5c244010143f1b7b90c66dd54d8b4d8d3c0a7df 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)) }