ref: ba6d0a1df98a5b2b1dc4ccc5ff1aad2d7359d9ea 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)) }