Commits
Joe Groff committed 014f270516d
SIL: Have project_existential_ref project to a protocol Self archetype. This mirrors the behavior of project_existential and simplifies some special cases in SILGen. It unfortunately makes dynamic_lookup sequences a bit noisier because of the need to explicitly cast the projection from DynamicLookup.Self to Builtin.ObjCPointer, but I think this modeling is more solid and will fit better with my planned redesign of archetype_method/protocol_method. Swift SVN r8572