235   struct ExtInfo {  struct
243   mutable struct ExtInfo *ExtInfo;  argument
245   struct ExtInfo &getExtInfo() {  in getExtInfo()
246     if (!ExtInfo) ExtInfo = new struct ExtInfo();  in getExtInfo()
247     return *ExtInfo;  in getExtInfo()
250   const struct ExtInfo &getExtInfo() const {  in getExtInfo()
251     if (!ExtInfo) ExtInfo = new struct ExtInfo();  in getExtInfo()
252     return *ExtInfo;  in getExtInfo()
271       NormalBlock(nullptr), ActiveFlag(nullptr), ExtInfo(nullptr) {  in EHCleanupScope()
284     delete ExtInfo;  in Destroy()  local
330   bool hasBranches() const { return ExtInfo && !ExtInfo->Branches.empty(); }  in hasBranches()
345     struct ExtInfo &ExtInfo = getExtInfo();  in addBranchAfter()  local
346     if (ExtInfo.Branches.insert(Block).second)  in addBranchAfter()
347       ExtInfo.BranchAfters.push_back(std::make_pair(Block, Index));  in addBranchAfter()
352     return ExtInfo ? ExtInfo->BranchAfters.size() : 0;  in getNumBranchAfters()
357     return ExtInfo->BranchAfters[I].first;  in getBranchAfterBlock()
362     return ExtInfo->BranchAfters[I].second;  in getBranchAfterIndex()
386     if (!ExtInfo) return false;  in hasBranchThroughs()
387     return (ExtInfo->BranchAfters.size() != ExtInfo->Branches.size());  in hasBranchThroughs()