vlib/v/checker/tests/sum_type_holding_alias_ptr_err.vv:3:12: error: sum type cannot hold a reference type
    1 | type Alias1 = &int
    2 | type Alias2 = &string
    3 | type Qwe = Alias1 | Alias2
      |            ~~~~~~
    4 | 
    5 | fn main() {
Details: declare alias as non-reference type: `Qwe = Alias1 | ...`
and use a reference to the sum type instead: `var := &Qwe(Alias1(val))`
