I don't see why this couldn't be done, not only does it get not exist in release, it shouldn't be changing variables in non-release. As mentioned there is a hole for debug code.Report it:http://d.puremagic.com/issues/ and we'll see what happens with that.
Reported; Minor priority (Won't break code) http://d.puremagic.com/issues/show_bug.cgi?id=7401