error[E0080]: referenced constant has errors
  --> $DIR/const-err.rs:29:15
   |
LL | const FOO: u8 = [5u8][1];
   |                 -------- index out of bounds: the len is 1 but the index is 1
...
LL |     black_box((FOO, FOO));
   |               ^^^^^^^^^^

error[E0080]: could not evaluate constant
  --> $DIR/const-err.rs:29:15
   |
LL |     black_box((FOO, FOO));
   |               ^^^^^^^^^^ referenced constant has errors

error[E0080]: constant evaluation error
  --> $DIR/const-err.rs:24:1
   |
LL | const FOO: u8 = [5u8][1];
   | ^^^^^^^^^^^^^^^^--------^
   |                 |
   |                 index out of bounds: the len is 1 but the index is 1

error: aborting due to 3 previous errors

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