Commits
Joe Groff committed f9a5b2cf252
IRGen: Lower the witness polymorphic convention. Add a new SourceKind for PolymorphicConvention, 'WitnessSelf', which always introduces a final 'Self' metadata argument to the signature and uses it to fulfill all of the generic parameters of the Self type, regardless of the SIL-level polymorphic signature of the function. Swift SVN r11467