error[E0080]: evaluation of constant value failed
  --> $DIR/from-sig-fail.rs:4:35
   |
LL | fn test<const N: usize>() -> [u8; N - 1] {
   |                                   ^^^^^ attempt to compute `0_usize - 1_usize` which would overflow

error: aborting due to previous error

For more information about this error, try `rustc --explain E0080`.