Initial check-in of clang/ using clang-23.tar.gz (2009-07-09, mac-os-x-106)

Source: http://opensource.apple.com/tarballs/clang/clang-23.tar.gz
SHA-1: 4c2d5c26188fcd4f3478ef5d821ad963d9d08acc
OS X Release: mac-os-x-106 (source release #052)
File Modification Timestamp (Oldest): 2001-06-06 20:29:01
File Modification Timestamp (Newest): 2009-07-09 22:32:53