6484                                            NamedDecl *NewDecl,  in checkDLLAttributeRedeclaration()  argument
6487   if (OldDecl->isInvalidDecl() || NewDecl->isInvalidDecl())  in checkDLLAttributeRedeclaration()
6497   if (TemplateDecl *NewTD = dyn_cast<TemplateDecl>(NewDecl)) {  in checkDLLAttributeRedeclaration()
6498     NewDecl = NewTD->getTemplatedDecl();  in checkDLLAttributeRedeclaration()
6502   if (!OldDecl || !NewDecl)  in checkDLLAttributeRedeclaration()
6507   const DLLImportAttr *NewImportAttr = NewDecl->getAttr<DLLImportAttr>();  in checkDLLAttributeRedeclaration()
6508   const DLLExportAttr *NewExportAttr = NewDecl->getAttr<DLLExportAttr>();  in checkDLLAttributeRedeclaration()
6542     S.Diag(NewDecl->getLocation(), DiagID)  in checkDLLAttributeRedeclaration()
6543         << NewDecl  in checkDLLAttributeRedeclaration()
6547       NewDecl->setInvalidDecl();  in checkDLLAttributeRedeclaration()
6559   if (const auto *VD = dyn_cast<VarDecl>(NewDecl)) {  in checkDLLAttributeRedeclaration()
6565   } else if (const auto *FD = dyn_cast<FunctionDecl>(NewDecl)) {  in checkDLLAttributeRedeclaration()
6573       !NewDecl->isLocalExternDecl() && !IsQualifiedFriend) {  in checkDLLAttributeRedeclaration()
6575       S.Diag(NewDecl->getLocation(),  in checkDLLAttributeRedeclaration()
6577           << NewDecl;  in checkDLLAttributeRedeclaration()
6579       NewDecl->dropAttr<DLLImportAttr>();  in checkDLLAttributeRedeclaration()
6580       NewDecl->addAttr(  in checkDLLAttributeRedeclaration()
6583       S.Diag(NewDecl->getLocation(),  in checkDLLAttributeRedeclaration()
6585           << NewDecl << OldImportAttr;  in checkDLLAttributeRedeclaration()
6589       NewDecl->dropAttr<DLLImportAttr>();  in checkDLLAttributeRedeclaration()
6595     NewDecl->dropAttr<DLLImportAttr>();  in checkDLLAttributeRedeclaration()
6596     S.Diag(NewDecl->getLocation(),  in checkDLLAttributeRedeclaration()
6598         << NewDecl << OldImportAttr;  in checkDLLAttributeRedeclaration()
6605   if (const CXXMethodDecl *MD = dyn_cast<CXXMethodDecl>(NewDecl)) {  in checkDLLAttributeRedeclaration()
6612         NewDecl->addAttr(NewAttr);  in checkDLLAttributeRedeclaration()