Fixed typos, used DenseSet for keeping track of selectors which need use Nonfrgile API for message dispatch.
Fixed typos, used DenseSet for keeping track of
selectors which need use Nonfrgile API for
message dispatch.



git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@71578 91177308-0d34-0410-b5e6-96231b3b80d8

llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,apple/swift-clang,apple/swift-clang