error[E0080]: evaluation of constant value failed
  --> $DIR/const-eval-overflow-3.rs:18:11
   |
LL |     = [0; (i8::MAX + 1) as usize];
   |           ^^^^^^^^^^^^^ attempt to compute `i8::MAX + 1_i8`, which would overflow

error: aborting due to previous error

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