Allow one to update the type representation of the declaration specifiers. Will be used by an upcoming commit.
Allow one to update the type representation of the declaration specifiers. Will be used by an upcoming commit.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@77703 91177308-0d34-0410-b5e6-96231b3b80d8

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