No functional change.  Renaming a variable in RecordLayoutBuilder and 
improving comments to make documentation more accurate.

Differential Revision:http://llvm-reviews.chandlerc.com/D2172



git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@194609 91177308-0d34-0410-b5e6-96231b3b80d8
Documentation parsing: move comment-to-XML conversion routines to libIndex


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@194610 91177308-0d34-0410-b5e6-96231b3b80d8
libclang does not depend directly on clangFormat; but clangIndex does


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@194611 91177308-0d34-0410-b5e6-96231b3b80d8
Only provide MS builtins when -fms-extensions is on

We already have builtins that are only available in GNU mode, so this
mirrors that.

Reviewers: rsmith

Differential Revision: http://llvm-reviews.chandlerc.com/D2128

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@194615 91177308-0d34-0410-b5e6-96231b3b80d8