| // Copyright 2014 The Rust Project Developers. See the COPYRIGHT |
| // file at the top-level directory of this distribution and at |
| // http://rust-lang.org/COPYRIGHT. |
| // |
| // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| // option. This file may not be copied, modified, or distributed |
| // except according to those terms. |
| |
| #![deny(exceeding_bitshifts, const_err)] |
| #![allow(unused_variables)] |
| #![allow(dead_code)] |
| |
| fn main() { |
| let n = 1u8 << (4+3); |
| let n = 1u8 << (4+4); //~ ERROR: attempt to shift left with overflow |
| let n = 1i64 >> [63][0]; |
| let n = 1i64 >> [64][0]; // should be linting, needs to wait for const propagation |
| |
| #[cfg(target_pointer_width = "32")] |
| const BITS: usize = 32; |
| #[cfg(target_pointer_width = "64")] |
| const BITS: usize = 64; |
| let n = 1_isize << BITS; //~ ERROR: attempt to shift left with overflow |
| let n = 1_usize << BITS; //~ ERROR: attempt to shift left with overflow |
| } |
