139     struct DFSState {  in RunCFGIsDAGCheck()  struct
140         GateRef cur;  in RunCFGIsDAGCheck()
141         GateAccessor::ConstUseWrapper uses;  in RunCFGIsDAGCheck()
142         GateAccessor::ConstUseIterator use;  in RunCFGIsDAGCheck()
292     struct DFSState {  in RunFlowCyclesFind()  struct
293         GateRef cur;  in RunFlowCyclesFind()
294         size_t numIns;  in RunFlowCyclesFind()
295         size_t idx;  in RunFlowCyclesFind()
513         struct DFSState {  in Run()  struct
514             size_t cur;  in Run()
515             std::vector<size_t> &succList;  in Run()
516             size_t idx;  in Run()