vlib/v/checker/tests/assign_sumtype2_err.vv:13:3: error: cannot assign to field `decl`: expected `Decl`, not `Stmt`
   11 |     stmt := Stmt(Decl{})
   12 |     _ := File{
   13 |         decl: stmt
      |         ~~~~~~~~~~
   14 |     }
   15 | }
