70   using NodeSet = std::set<GepNode *>;  typedef
306     in_set(const NodeSet &S) : NS(S) {}  in in_set()
313     const NodeSet &NS;
448                            NodeSet &Nodes) {  in nodes_for_root()
467   using NodeSymRel = std::set<NodeSet>;
473 static const NodeSet *node_class(GepNode *N, NodeSymRel &Rel) {  in node_class()
538   using NodeSetMap = std::map<unsigned, NodeSet>;  in common()
553     NodeSet &S = I->second;  in common()
554     for (NodeSet::iterator NI = S.begin(), NE = S.end(); NI != NE; ++NI) {  in common()
563       NodeSet C;  in common()
564       for (NodeSet::iterator NJ = std::next(NI); NJ != NE; ++NJ)  in common()
586       const NodeSet &S = *I;  in common()
587       for (NodeSet::const_iterator J = S.begin(), F = S.end(); J != F; ++J) {  in common()
597   using ProjMap = std::map<const NodeSet *, GepNode *>;  in common()
600     const NodeSet &S = *I;  in common()
609     for (NodeSet::iterator J = S.begin(), F = S.end(); J != F; ++J) {  in common()
634     const NodeSet *PC = node_class(N->Parent, EqRel);  in common()
648   NodeSet Erase;  in common()
651     const NodeSet *PC = node_class(N, EqRel);  in common()
1007   NodeSet Ns;  in separateConstantChains()
1014   for (NodeSet::iterator I = Ns.begin(), E = Ns.end(); I != E; ++I) {  in separateConstantChains()