error: unreachable pattern
  --> $DIR/slice-pattern-const-3.rs:9:9
   |
LL |         ["4", "5", "6", "7"] => (),
   |         ^^^^^^^^^^^^^^^^^^^^
   |
note: the lint level is defined here
  --> $DIR/slice-pattern-const-3.rs:1:9
   |
LL | #![deny(unreachable_patterns)]
   |         ^^^^^^^^^^^^^^^^^^^^

error: unreachable pattern
  --> $DIR/slice-pattern-const-3.rs:15:9
   |
LL |         ["4", "5", "6", "7"] => (),
   |         ^^^^^^^^^^^^^^^^^^^^

error: unreachable pattern
  --> $DIR/slice-pattern-const-3.rs:21:9
   |
LL |         MAGIC_TEST => (),
   |         ^^^^^^^^^^

error: unreachable pattern
  --> $DIR/slice-pattern-const-3.rs:28:9
   |
LL |         FOO => (),
   |         ^^^

error: aborting due to 4 previous errors