https://issues.dlang.org/show_bug.cgi?id=14214
--- Comment #5 from Ketmar Dark <[email protected]> --- the core issue is that optimizer is failed to distinguish comma expressions from enumerations, so it sees huge enumeration as alot of comma-expressions, tries to optimize that and fails. in my hackfix i just made optimizer to give up if it sees "alot of commas". --
