BugReport::VisitNode now takes BugReporter& instead of ASTContext&.

Shuffled around code in CFRefCount to better pair classes with implementation,
and started adding subclasses of RangedBugReport to handle better diagnostics
for reference count bugs.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@49889 91177308-0d34-0410-b5e6-96231b3b80d8
3 files changed