[hl] support reading OMakeEnum

[nadako]

[ncannasse]

Uhm, it should be supported, are you sure you're not trying to read an old version of the bytecode?

[nadako]

I'm trying to read the following program compiled with latest Haxe:

class Main2 {
    static function main() {
        trace(haxe.ds.Option.Some(10));
    }
}