revert patch r216469.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@216485 91177308-0d34-0410-b5e6-96231b3b80d8
Update for llvm api change

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@216489 91177308-0d34-0410-b5e6-96231b3b80d8