error[E0308]: mismatched types
  --> $DIR/coercion-missing-tail-expected-type.rs:13:28
   |
13 |   fn plus_one(x: i32) -> i32 {
   |  ____________________________^
14 | |     x + 1;
15 | | }
   | |_^ expected i32, found ()
   |
   = note: expected type `i32`
              found type `()`
help: consider removing this semicolon:
  --> $DIR/coercion-missing-tail-expected-type.rs:14:10
   |
14 |     x + 1;
   |          ^

error: aborting due to previous error