[swift-dev] ExistentialMetatypeType assertion failure on Linux

[Luke Howard]

> I really want to merge in the rest of the coders; so lets go ahead and omit the mangling stuff and leave it just as the Foundation classes . That will be a huge win in my book, it gives us something that is testable and functional enough to do some pretty impressive demonstrations of archiving.

OK, the version I’ve pushed now removes the code that was poking into runtime structures but still uses dlopen()/the metadata accessor for NSClassFromString(). Tests verify on OS X and Linux (with compiler fix).

If you want to change this further to use a static mapping table, go for it, but I’d rather focus my time on getting the appropriate API into stdlib.

— Luke