133   SlotIndex Start, Stop;  in update()  local
134   std::tie(Start, Stop) = Indexes->getMBBRange(MBBNum);  in update()
170       if (StartI >= Stop)  in update()
183       if (StartI >= Stop)  in update()
192     SlotIndex Limit = BI->First.isValid() ? BI->First : Stop;  in update()
201     PrevPos = Stop;  in update()
212     std::tie(Start, Stop) = Indexes->getMBBRange(MBBNum);  in update()
218     if (!I.valid() || I.start() >= Stop)  in update()
220     I.advanceTo(Stop);  in update()
221     bool Backup = !I.valid() || I.start() >= Stop;  in update()
235     if (I == LR->end() || I->start >= Stop)  in update()
237     I = LR->advanceTo(I, Stop);  in update()
238     bool Backup = I == LR->end() || I->start >= Stop;  in update()