#![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 }