rust/tests/ui/consts/const-len-underflow-subspans.rs
2023-01-11 09:32:08 +00:00

12 lines
337 B
Rust

// Check that a constant-evaluation underflow highlights the correct
// spot (where the underflow occurred).
const ONE: usize = 1;
const TWO: usize = 2;
fn main() {
let a: [i8; ONE - TWO] = unimplemented!();
//~^ ERROR evaluation of constant value failed
//~| attempt to compute `1_usize - 2_usize`, which would overflow
}