error[E0080]: evaluation of constant value failed --> $DIR/const-eval-overflow-4.rs:11:13 | LL | : [u32; (i8::MAX as i8 + 1i8) as usize] | ^^^^^^^^^^^^^^^^^^^^^ attempt to compute `i8::MAX + 1_i8`, which would overflow error: aborting due to 1 previous error For more information about this error, try `rustc --explain E0080`.