238   struct ExtInfo {  struct
246   mutable struct ExtInfo *ExtInfo;  variable
248   struct ExtInfo &getExtInfo() {  in getExtInfo()
249     if (!ExtInfo) ExtInfo = new struct ExtInfo();  in getExtInfo()
250     return *ExtInfo;  in getExtInfo()
253   const struct ExtInfo &getExtInfo() const {  in getExtInfo()
254     if (!ExtInfo) ExtInfo = new struct ExtInfo();  in getExtInfo()
255     return *ExtInfo;  in getExtInfo()
274       NormalBlock(nullptr), ActiveFlag(nullptr), ExtInfo(nullptr) {  in EHCleanupScope()
288     delete ExtInfo;  in Destroy()  local
335   bool hasBranches() const { return ExtInfo && !ExtInfo->Branches.empty(); }  in hasBranches()
350     struct ExtInfo &ExtInfo = getExtInfo();  in addBranchAfter()  local
351     if (ExtInfo.Branches.insert(Block).second)  in addBranchAfter()
352       ExtInfo.BranchAfters.push_back(std::make_pair(Block, Index));  in addBranchAfter()
357     return ExtInfo ? ExtInfo->BranchAfters.size() : 0;  in getNumBranchAfters()
362     return ExtInfo->BranchAfters[I].first;  in getBranchAfterBlock()
367     return ExtInfo->BranchAfters[I].second;  in getBranchAfterIndex()
391     if (!ExtInfo) return false;  in hasBranchThroughs()
392     return (ExtInfo->BranchAfters.size() != ExtInfo->Branches.size());  in hasBranchThroughs()