tests/incremental/warnings-reemitted.rs

   1 // revisions: cfail1 cfail2 cfail3
   2 // compile-flags: -Coverflow-checks=on
   3 // build-pass
   4
   5 #![warn(arithmetic_overflow)]
   6
   7 fn main() {
   8     let _ = 255u8 + 1; //~ WARNING operation will overflow
   9 }