error: this operation will panic at runtime --> $DIR/const-prop-ice2.rs:6:20 | LL | println!("{}", xs[Enum::One as usize]); | ^^^^^^^^^^^^^^^^^^^^^^ index out of bounds: the length is 1 but the index is 1 | = note: `#[deny(unconditional_panic)]` on by default error: aborting due to 1 previous error