vlib/v/checker/tests/optional_or_block_mismatch.vv:10:18: error: wrong return type `Bar` in the `or {}` block, expected `&Bar`
    8 | 
    9 | fn main() {
   10 |     x := foo() or { Bar{} }
      |                     ~~~~~
   11 |     println(x)
   12 | }
