lib/Lex/HeaderSearch.cpp

820           Includer ? getFileInfo(Includer).DirInfo != SrcMgr::C_User :
837         unsigned DirInfo = FromHFI.DirInfo;
842         ToHFI.DirInfo = DirInfo;
947     HFI.DirInfo = CurDir->getDirCharacteristic();
952     if (HFI.DirInfo == SrcMgr::C_User && InUserSpecifiedSystemFramework)
953       HFI.DirInfo = SrcMgr::C_System;
959         HFI.DirInfo = SystemHeaderPrefixes[j-1].second ? SrcMgr::C_System
1137   // Note that the temporary 'DirInfo' is required here, as either call to
1140   unsigned DirInfo = getFileInfo(ContextFileEnt).DirInfo;
1141   getFileInfo(&File->getFileEntry()).DirInfo = DirInfo;
1172   HFI.DirInfo = OtherHFI.DirInfo;