src/test/run-fail/overflowing-neg.rs

   1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
   2 // file at the top-level directory of this distribution and at
   3 // http://rust-lang.org/COPYRIGHT.
   4 //
   5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
   6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
   7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
   8 // option. This file may not be copied, modified, or distributed
   9 // except according to those terms.
  10
  11 // ignore-pretty : (#23623) problems when  ending with // comments
  12
  13 // error-pattern:thread '<main>' panicked at 'attempted to negate with overflow'
  14 // compile-flags: -C debug-assertions
  15
  16 #![feature(rustc_attrs)]
  17 #[rustc_no_mir] // FIXME #29769 MIR overflow checking is TBD.
  18 fn main() {
  19     let _x = -std::i8::MIN;
  20 }