246   static IntrusiveRefCntPtr<FileSystem> FS = new RealFileSystem();  in getRealFileSystem()  local
294 void OverlayFileSystem::pushOverlay(IntrusiveRefCntPtr<FileSystem> FS) {  in pushOverlay()
329   for (auto &FS : FSList)  in setCurrentWorkingDirectory()  local
386   OverlayFSDirIterImpl(const Twine &Path, OverlayFileSystem &FS,  in OverlayFSDirIterImpl()
581 lookupInMemoryNode(const InMemoryFileSystem &FS, detail::InMemoryDirectory *Dir,  in lookupInMemoryNode()
773   RedirectingFileSystem &FS;  member in __anon00a5ee8f0711::VFSFromYamlDirIterImpl
1042   Entry *lookupOrCreateEntry(RedirectingFileSystem *FS, StringRef Name,  in lookupOrCreateEntry()
1077   void uniqueOverlayTree(RedirectingFileSystem *FS, Entry *SrcE,  in uniqueOverlayTree()
1106   std::unique_ptr<Entry> parseEntry(yaml::Node *N, RedirectingFileSystem *FS) {  in parseEntry()
1292   bool parse(yaml::Node *Root, RedirectingFileSystem *FS) {  in parse()
1405   std::unique_ptr<RedirectingFileSystem> FS(  in create()  local
1755     const Twine &_Path, RedirectingFileSystem &FS,  in VFSFromYamlDirIterImpl()