Neither 'Warning' nor 'NonNote' was a good name for this location...
It's the last include-stack-root we tried to walk up. Use a better name
and better doxyments for it.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@142071 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed