Fix to account for default support for blocks.  Once we have enough testing to to be sure it all works, we'll rip out all the unsupported code.
Fix to account for default support for blocks.  Once we have enough
testing to to be sure it all works, we'll rip out all the unsupported
code.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@66338 91177308-0d34-0410-b5e6-96231b3b80d8

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