x86_64 ABI: Implement classification for records.  - This is my best initial guess at what the "spec" means, although it is not    particularly clear on a number of points. Will refine through testing.
x86_64 ABI: Implement classification for records.
 - This is my best initial guess at what the "spec" means, although it is not
   particularly clear on a number of points. Will refine through testing.


git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@63292 91177308-0d34-0410-b5e6-96231b3b80d8

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