error: unreachable pattern
  --> $DIR/slice-pattern-const-2.rs:9:9
   |
LL |         [4, 5, 6, 7] => (),
   |         ^^^^^^^^^^^^
   |
note: the lint level is defined here
  --> $DIR/slice-pattern-const-2.rs:1:9
   |
LL | #![deny(unreachable_patterns)]
   |         ^^^^^^^^^^^^^^^^^^^^

error: unreachable pattern
  --> $DIR/slice-pattern-const-2.rs:15:9
   |
LL |         [4, 5, 6, 7] => (),
   |         ^^^^^^^^^^^^

error: unreachable pattern
  --> $DIR/slice-pattern-const-2.rs:21:9
   |
LL |         MAGIC_TEST => (),
   |         ^^^^^^^^^^

error: unreachable pattern
  --> $DIR/slice-pattern-const-2.rs:28:9
   |
LL |         FOO => (),
   |         ^^^

error: aborting due to 4 previous errors