Commits
Jordan Rose committed 904264544da
[ClangImporter] Preserve all of Clang's availability attribute information. This completes <rdar://problem/17024498>, except that we don't yet do anything with 'deprecated' or 'obsoleted'. The former is covered by <rdar://problem/17406050>, and I filed <rdar://problem/17873422> for the latter. Swift SVN r20845