Commits
Joe Groff committed 96303f4c7f7
SIL: Factor the vtable override logic from SILGen into a method on SILDeclRef. rdar://problem/19514920 is caused by a disagreement between IRGen and SILGen about which SILDeclRefs override vtable slots. Factor out the somewhat-hairy code in SILGen to a place IRGen will be able to share it. NFC yet. Swift SVN r25063