6551                                            NamedDecl *NewDecl,  in checkDLLAttributeRedeclaration()  argument
6554   if (OldDecl->isInvalidDecl() || NewDecl->isInvalidDecl())  in checkDLLAttributeRedeclaration()
6564   if (TemplateDecl *NewTD = dyn_cast<TemplateDecl>(NewDecl)) {  in checkDLLAttributeRedeclaration()
6565     NewDecl = NewTD->getTemplatedDecl();  in checkDLLAttributeRedeclaration()
6569   if (!OldDecl || !NewDecl)  in checkDLLAttributeRedeclaration()
6574   const DLLImportAttr *NewImportAttr = NewDecl->getAttr<DLLImportAttr>();  in checkDLLAttributeRedeclaration()
6575   const DLLExportAttr *NewExportAttr = NewDecl->getAttr<DLLExportAttr>();  in checkDLLAttributeRedeclaration()
6609     S.Diag(NewDecl->getLocation(), DiagID)  in checkDLLAttributeRedeclaration()
6610         << NewDecl  in checkDLLAttributeRedeclaration()
6614       NewDecl->setInvalidDecl();  in checkDLLAttributeRedeclaration()
6626   if (const auto *VD = dyn_cast<VarDecl>(NewDecl)) {  in checkDLLAttributeRedeclaration()
6632   } else if (const auto *FD = dyn_cast<FunctionDecl>(NewDecl)) {  in checkDLLAttributeRedeclaration()
6640       !NewDecl->isLocalExternDecl() && !IsQualifiedFriend) {  in checkDLLAttributeRedeclaration()
6642       S.Diag(NewDecl->getLocation(),  in checkDLLAttributeRedeclaration()
6644           << NewDecl;  in checkDLLAttributeRedeclaration()
6646       NewDecl->dropAttr<DLLImportAttr>();  in checkDLLAttributeRedeclaration()
6647       NewDecl->addAttr(  in checkDLLAttributeRedeclaration()
6650       S.Diag(NewDecl->getLocation(),  in checkDLLAttributeRedeclaration()
6652           << NewDecl << OldImportAttr;  in checkDLLAttributeRedeclaration()
6656       NewDecl->dropAttr<DLLImportAttr>();  in checkDLLAttributeRedeclaration()
6662     NewDecl->dropAttr<DLLImportAttr>();  in checkDLLAttributeRedeclaration()
6663     S.Diag(NewDecl->getLocation(),  in checkDLLAttributeRedeclaration()
6665         << NewDecl << OldImportAttr;  in checkDLLAttributeRedeclaration()
6672   if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(NewDecl)) {  in checkDLLAttributeRedeclaration()
6679         NewDecl->addAttr(NewAttr);  in checkDLLAttributeRedeclaration()