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 #[allow(exceeding_bitshifts)]
14 fn black_box<T>(_: T) {
18 const BLA: u8 = 200u8 + 200u8;
19 //~^ ERROR attempted to add with overflow
22 let a = -std::i8::MIN;
23 //~^ WARN attempted to negate with overflow
24 let b = 200u8 + 200u8 + 200u8;
25 //~^ WARN attempted to add with overflow
26 //~^^ WARN attempted to add with overflow
28 //~^ WARN attempted to multiply with overflow
29 let d = 42u8 - (42u8 + 1);
30 //~^ WARN attempted to subtract with overflow