523   std::vector<SourceMappingRegion> RegionStack;  member
571     RegionStack.emplace_back(Count, StartLoc, EndLoc);  in pushRegion()
573     return RegionStack.size() - 1;  in pushRegion()
579     size_t Index = RegionStack.size();  in completeDeferred()
613     RegionStack.push_back(DR);  in completeDeferred()
624     if (LastTerminatedRegion->second != RegionStack.size())  in completeTopLevelDeferredRegion()
631     SourceMappingRegion DR = RegionStack.back();  in completeTopLevelDeferredRegion()
652     assert(RegionStack.size() >= ParentIndex && "parent not in stack");  in popRegions()
654     while (RegionStack.size() > ParentIndex) {  in popRegions()
655       SourceMappingRegion &Region = RegionStack.back();  in popRegions()
660                                     : RegionStack[ParentIndex].getEndLoc();  in popRegions()
725       RegionStack.pop_back();  in popRegions()
730           RegionStack.size() < LastTerminatedRegion->second)  in popRegions()
738     assert(!RegionStack.empty() && "statement has no region");  in getRegion()
739     return RegionStack.back();  in getRegion()
817     for (SourceMappingRegion &I : llvm::reverse(RegionStack)) {  in handleFileExit()
879     LastTerminatedRegion = {EndLoc, RegionStack.size()};  in terminateRegion()
973     assert(RegionStack.empty() && "Regions entered but never exited");  in VisitDecl()
1219         for (size_t i = RegionStack.size(); i != Index; --i) {  in VisitSwitchStmt()
1220           if (!RegionStack[i - 1].hasEndLoc())  in VisitSwitchStmt()
1221             RegionStack[i - 1].setEndLoc(getEnd(CS->body_back()));  in VisitSwitchStmt()