error: unreachable statement
  --> $DIR/match-no-arms-unreachable-after.rs:18:5
   |
LL |     let x = 2; //~ ERROR unreachable
   |     ^^^^^^^^^^
   |
note: lint level defined here
  --> $DIR/match-no-arms-unreachable-after.rs:12:9
   |
LL | #![deny(unreachable_code)]
   |         ^^^^^^^^^^^^^^^^

error: aborting due to previous error