Lit tests for Microsoft C++ record layout.
They weren't added with the rest of the microsoft record layout patch due me not 
doing svn add.


git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@192612 91177308-0d34-0410-b5e6-96231b3b80d8
Move comment to its proper place.

git-svn-id: http://llvm.org/svn/llvm-project/cfe/trunk@192613 91177308-0d34-0410-b5e6-96231b3b80d8