src/test/ui/reachable/expr_add.stderr

error: unreachable expression
  --> $DIR/expr_add.rs:16:13
   |
LL |     let x = Foo + return;
   |             ^^^^^^------
   |             |     |
   |             |     any code following this expression is unreachable
   |             unreachable expression
   |
note: lint level defined here
  --> $DIR/expr_add.rs:2:9
   |
LL | #![deny(unreachable_code)]
   |         ^^^^^^^^^^^^^^^^

error: aborting due to previous error