166   auto NewModule = std::make_unique<ModuleFile>(Type, *Entry, Generation);  in addModule()  local
167   NewModule->Index = Chain.size();  in addModule()
168   NewModule->FileName = FileName.str();  in addModule()
169   NewModule->ImportLoc = ImportLoc;  in addModule()
170   NewModule->InputFilesValidationTimestamp = 0;  in addModule()
172   if (NewModule->Kind == MK_ImplicitModule) {  in addModule()
173     std::string TimestampFilename = NewModule->getTimestampFilename();  in addModule()
177       NewModule->InputFilesValidationTimestamp =  in addModule()
184     NewModule->Buffer = &ModuleCache->addBuiltPCM(FileName, std::move(Buffer));  in addModule()
191     NewModule->Buffer = Buffer;  in addModule()
206     auto Buf = FileMgr.getBufferForFile(NewModule->File,  in addModule()
215     NewModule->Buffer = &getModuleCache().addPCM(FileName, std::move(*Buf));  in addModule()
219   NewModule->Data = PCHContainerRdr.ExtractPCH(*NewModule->Buffer);  in addModule()
223   if (ExpectedSignature && checkSignature(ReadSignature(NewModule->Data),  in addModule()
228   Module = Modules[*Entry] = NewModule.get();  in addModule()
230   updateModuleImports(*NewModule, ImportedBy, ImportLoc);  in addModule()
232   if (!NewModule->isModule())  in addModule()
233     PCHChain.push_back(NewModule.get());  in addModule()
235     Roots.push_back(NewModule.get());  in addModule()
237   Chain.push_back(std::move(NewModule));  in addModule()