error[E0308]: mismatched types
  --> $DIR/empty-trailing-stmt.rs:6:7
   |
LL |     { true }
   |       ^^^^ expected `()`, found `bool`
   |
help: you might have meant to return this value
   |
LL |     { return true; }
   |       ++++++     +

error[E0308]: mismatched types
  --> $DIR/empty-trailing-stmt.rs:5:13
   |
LL | fn foo() -> bool {
   |    ---      ^^^^ expected `bool`, found `()`
   |    |
   |    implicitly returns `()` as its body has no tail or `return` expression

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0308`.