Initial refactor of UndefBranchChecker. We still use GRBranchNodeBuilder
in the checker directly. But I don't have a better approach for now.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@89640 91177308-0d34-0410-b5e6-96231b3b80d8
5 files changed