Fixed loop creation of variable even when present

[DarioDaF]

I HAS A I ITZ 10
VISIBLE I
IM IN YR LP NERFIN YR I TIL BOTH SAEM I AN 0
    VISIBLE I
IM OUTTA YR LP
VISIBLE I

In current branch results in

10
10

without entering the loop because the loop creates a new I in the scope with default value 0