Recursive scopes parsing

Hello, i have a question.
Why when i used this code : 
```
function foo() {
    if (a > 0) {
       var foo2 = function {
            if (b > 0) {
                test(test);
            } else {
                test2(test);
            }
       }
    }
}
```
on the demo, the "if" inside foo2 not created any branches ?
I think it will be nice, if you handle all scopes.

Best regards,