893   llvm::SmallVector<SourceMappingRegion> RegionStack;  member
971     RegionStack.emplace_back(Count, FalseCount, BranchParams, StartLoc, EndLoc);  in pushRegion()
973     return RegionStack.size() - 1;  in pushRegion()
980     RegionStack.emplace_back(DecisionParams, StartLoc, EndLoc);  in pushRegion()
982     return RegionStack.size() - 1;  in pushRegion()
999     assert(RegionStack.size() >= ParentIndex && "parent not in stack");  in popRegions()
1000     while (RegionStack.size() > ParentIndex) {  in popRegions()
1001       SourceMappingRegion &Region = RegionStack.back();  in popRegions()
1003           (Region.hasEndLoc() || RegionStack[ParentIndex].hasEndLoc())) {  in popRegions()
1007                                     : RegionStack[ParentIndex].getEndLoc();  in popRegions()
1071       RegionStack.pop_back();  in popRegions()
1077     assert(!RegionStack.empty() && "statement has no region");  in getRegion()
1078     return RegionStack.back();  in getRegion()
1219     for (SourceMappingRegion &I : llvm::reverse(RegionStack)) {  in handleFileExit()
1501     assert(RegionStack.empty() && "Regions entered but never exited");  in VisitDecl()
1835         for (size_t i = RegionStack.size(); i != Index; --i) {  in VisitSwitchStmt()
1836           if (!RegionStack[i - 1].hasEndLoc())  in VisitSwitchStmt()
1837             RegionStack[i - 1].setEndLoc(getEnd(CS->body_back()));  in VisitSwitchStmt()