ref: caa2cd99e469f598d19a03f2ba4d3c23c6e9d6f5 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)) }