vlib/v/checker/tests/for_in_same_var_err.vv:1:10: error: in a `for x in <range>` loop, the key or value iteration variable `x` can not be the same as the low variable
    1 | for x in x .. 10 {
      |          ^
    2 |     dump(x)
    3 | }
vlib/v/checker/tests/for_in_same_var_err.vv:5:15: error: in a `for x in <range>` loop, the key or value iteration variable `y` can not be the same as the high variable
    3 | }
    4 | 
    5 | for y in 0 .. y {
      |               ^
    6 |     dump(y)
    7 | }
vlib/v/checker/tests/for_in_same_var_err.vv:9:10: error: in a `for x in <range>` loop, the key or value iteration variable `z` can not be the same as the low variable
    7 | }
    8 | 
    9 | for z in z .. z {
      |          ^
   10 |     dump(z)
   11 | }
vlib/v/checker/tests/for_in_same_var_err.vv:13:10: error: in a `for x in array` loop, the key or value iteration variable `w` can not be the same as the low variable
   11 | }
   12 | 
   13 | for w in w {
      |          ^
   14 |     dump(w)
   15 | }
vlib/v/checker/tests/for_in_same_var_err.vv:14:7: error: dump expression can not be void
   12 | 
   13 | for w in w {
   14 |     dump(w)
      |          ^
   15 | }
   16 |
vlib/v/checker/tests/for_in_same_var_err.vv:17:13: error: in a `for x in array` loop, the key or value iteration variable `_` can not be the same as the low variable
   15 | }
   16 | 
   17 | for k, _ in k {
      |             ^
   18 |     dump(k)
   19 | }
vlib/v/checker/tests/for_in_same_var_err.vv:17:13: error: for in: cannot index `int`
   15 | }
   16 | 
   17 | for k, _ in k {
      |             ^
   18 |     dump(k)
   19 | }