1 // Copyright 2012 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.
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.
11 // needed because negating int::MIN will behave differently between
12 // optimized compilation and unoptimized compilation and thus would
13 // lead to different lints being emitted
16 #![feature(rustc_attrs)]
17 #![allow(exceeding_bitshifts)]
20 fn black_box<T>(_: T) {
25 let a = -std::i8::MIN;
27 let b = 200u8 + 200u8 + 200u8;
31 let d = 42u8 - (42u8 + 1);