vlib/v/checker/tests/immutable_to_mutable_err.vv:15:20: notice: condition is always true
   13 | fn main() {
   14 |     arr := [1, 2, 3] // declared as immutable!
   15 |     mut arr_mut := if true { arr } else { []int{} }
      |                       ~~~~
   16 |     mut arr_mut2 := match true {
   17 |         true { arr }
vlib/v/checker/tests/immutable_to_mutable_err.vv:15:27: notice: left-side of assignment expects a mutable reference, but variable `arr` is immutable, declare it with `mut` to make it mutable or clone it
   13 | fn main() {
   14 |     arr := [1, 2, 3] // declared as immutable!
   15 |     mut arr_mut := if true { arr } else { []int{} }
      |                              ~~~
   16 |     mut arr_mut2 := match true {
   17 |         true { arr }
vlib/v/checker/tests/immutable_to_mutable_err.vv:17:3: notice: match is always true
   15 |     mut arr_mut := if true { arr } else { []int{} }
   16 |     mut arr_mut2 := match true {
   17 |         true { arr }
      |         ~~~~
   18 |         else { [0] }
   19 |     }
vlib/v/checker/tests/immutable_to_mutable_err.vv:17:10: notice: left-side of assignment expects a mutable reference, but variable `arr` is immutable, declare it with `mut` to make it mutable or clone it
   15 |     mut arr_mut := if true { arr } else { []int{} }
   16 |     mut arr_mut2 := match true {
   17 |         true { arr }
      |                ~~~
   18 |         else { [0] }
   19 |     }
vlib/v/checker/tests/immutable_to_mutable_err.vv:27:15: error: use `mut array2 := array1.clone()` instead of `mut array2 := array1` (or use `unsafe`)
   25 | 
   26 |     a := Test{}
   27 |     mut arr_mut3 := a.foo
      |                  ~~
   28 |     arr_mut3[0] = 999
   29 |     assert a.foo == [1, 2, 3]
vlib/v/checker/tests/immutable_to_mutable_err.vv:31:15: error: use `mut array2 := array1.clone()` instead of `mut array2 := array1` (or use `unsafe`)
   29 |     assert a.foo == [1, 2, 3]
   30 | 
   31 |     mut arr_mut4 := a.bar
      |                  ~~
   32 |     arr_mut4[0] = 999
   33 |     assert a.bar == [1, 2, 3]
vlib/v/checker/tests/immutable_to_mutable_err.vv:39:5: error: `s2.list` aliases mutable data from an immutable value, clone it first (or use `unsafe`)
   37 |     }
   38 |     mut s2 := s
   39 |     s2.list[0] = 'bbb'
      |        ~~~~
   40 | 
   41 |     _ := a.bar