Renaming Struct to GenericRecord for clarity; could not use Record as the enumerant because that's already taken by the Record class.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@195875 91177308-0d34-0410-b5e6-96231b3b80d8
Remove unused diagnostic.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@195876 91177308-0d34-0410-b5e6-96231b3b80d8