Thread Safety Analysis: add new node types to thread safety TIL.
This fills in a few missing gaps in functionality.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@208830 91177308-0d34-0410-b5e6-96231b3b80d8
Fill in the options in the MCOptions struct directly like the other
options.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@208834 91177308-0d34-0410-b5e6-96231b3b80d8