For SourceManager::isBeforeInTranslationUnit(), have it consider macro arg expanded
token locations as coming before the closing ')' of a function macro expansion.

Include a unit test for SourceManager.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@147056 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed