256   struct ExtInfo {  struct
264   mutable struct ExtInfo *ExtInfo;  argument
266   struct ExtInfo &getExtInfo() {  in getExtInfo()
267     if (!ExtInfo) ExtInfo = new struct ExtInfo();  in getExtInfo()
268     return *ExtInfo;  in getExtInfo()
271   const struct ExtInfo &getExtInfo() const {  in getExtInfo()
272     if (!ExtInfo) ExtInfo = new struct ExtInfo();  in getExtInfo()
273     return *ExtInfo;  in getExtInfo()
292       NormalBlock(nullptr), ActiveFlag(nullptr), ExtInfo(nullptr) {  in EHCleanupScope()
306     delete ExtInfo;  in Destroy()  local
359   bool hasBranches() const { return ExtInfo && !ExtInfo->Branches.empty(); }  in hasBranches()
374     struct ExtInfo &ExtInfo = getExtInfo();  in addBranchAfter()  local
375     if (ExtInfo.Branches.insert(Block).second)  in addBranchAfter()
376       ExtInfo.BranchAfters.push_back(std::make_pair(Block, Index));  in addBranchAfter()
381     return ExtInfo ? ExtInfo->BranchAfters.size() : 0;  in getNumBranchAfters()
386     return ExtInfo->BranchAfters[I].first;  in getBranchAfterBlock()
391     return ExtInfo->BranchAfters[I].second;  in getBranchAfterIndex()
415     if (!ExtInfo) return false;  in hasBranchThroughs()
416     return (ExtInfo->BranchAfters.size() != ExtInfo->Branches.size());  in hasBranchThroughs()