v/vlib/v/checker/tests/immutable_array_struct_assign.out

vlib/v/checker/tests/immutable_array_struct_assign.vv:8:2: error: `a` is immutable, declare it with `mut` to make it mutable
    6 | fn main() {
    7 |     a := Aaa{}
    8 |     a.i[0] += 3
      |     ^
    9 | }