Add PCH read/write support for Objective-C Selectors.

Note: This support is non-lazy. Once we get "Cocoa.h" humming, we can optimize this.
llvm-svn: 69884
8 files changed
tree: 8296962cd0e9e98bbdfbc9ec24a97f885e1239ed
  1. clang/
  2. llvm/