src/test/ui/ret-non-nil.stderr

   1 error[E0069]: `return;` in a function whose return type is not `()`
   2   --> $DIR/ret-non-nil.rs:5:19
   3    |
   4 LL | fn g() -> isize { return; }
   5    |           -----   ^^^^^^ return type is not `()`
   6    |           |
   7    |           expected `isize` because of this return type
   8
   9 error: aborting due to previous error
  10
  11 For more information about this error, try `rustc --explain E0069`.