918   CompilerInstance Instance(/*BuildingModule=*/true);  in compileModuleImpl()  local
919   Instance.setInvocation(&*Invocation);  in compileModuleImpl()
921   Instance.createDiagnostics(new ForwardingDiagnosticConsumer(  in compileModuleImpl()
925   Instance.setVirtualFileSystem(&ImportingInstance.getVirtualFileSystem());  in compileModuleImpl()
929   Instance.setFileManager(&ImportingInstance.getFileManager());  in compileModuleImpl()
930   Instance.createSourceManager(Instance.getFileManager());  in compileModuleImpl()
931   SourceManager &SourceMgr = Instance.getSourceManager();  in compileModuleImpl()
939   Instance.setModuleDepCollector(ImportingInstance.getModuleDepCollector());  in compileModuleImpl()
957     ModuleMapFile = Instance.getFileManager().getVirtualFile(  in compileModuleImpl()
975   CRC.RunSafelyOnThread([&]() { Instance.ExecuteAction(CreateModuleAction); },  in compileModuleImpl()
986   Instance.clearOutputFiles(/*EraseFiles=*/true);  in compileModuleImpl()
994   return !Instance.getDiagnostics().hasErrorOccurred();  in compileModuleImpl()