| // compile-flags: -O |
| |
| #![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]; //~ ERROR: attempt to shift right with overflow |
| |
| #[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 |
| } |
