v/vlib/v/checker/tests/wrong_propagate_ret_type.out

vlib/v/checker/tests/wrong_propagate_ret_type.vv:6:17: error: to propagate the optional call, `opt_call` must return an optional
    4 |
    5 | fn opt_call() int {
    6 |     a := ret_none()?
      |                    ^
    7 |     return a
    8 | }