7363     NamedDecl *PrevDecl =  in ActOnStartNamespaceDef()  local
7365     PrevNS = dyn_cast_or_null<NamespaceDecl>(PrevDecl);  in ActOnStartNamespaceDef()
7372     } else if (PrevDecl) {  in ActOnStartNamespaceDef()
7376       Diag(PrevDecl->getLocation(), diag::note_previous_definition);  in ActOnStartNamespaceDef()
8044                                             UsingShadowDecl *PrevDecl) {  in BuildUsingShadowDecl()  argument
8073   Shadow->setPreviousDecl(PrevDecl);  in BuildUsingShadowDecl()
8461     UsingShadowDecl *PrevDecl = nullptr;  in BuildUsingDeclaration()  local
8462     if (!CheckUsingShadowDecl(UD, *I, Previous, PrevDecl))  in BuildUsingDeclaration()
8463       BuildUsingShadowDecl(S, UD, *I, PrevDecl);  in BuildUsingDeclaration()
8935     NamedDecl *PrevDecl = PrevR.getRepresentativeDecl();  in ActOnNamespaceAliasDef()  local
8936     if (NamespaceAliasDecl *AD = dyn_cast<NamespaceAliasDecl>(PrevDecl)) {  in ActOnNamespaceAliasDef()
8941       } else if (isVisible(PrevDecl)) {  in ActOnNamespaceAliasDef()
8948     } else if (isVisible(PrevDecl)) {  in ActOnNamespaceAliasDef()
8949       unsigned DiagID = isa<NamespaceDecl>(PrevDecl->getUnderlyingDecl())  in ActOnNamespaceAliasDef()
8953       Diag(PrevDecl->getLocation(), diag::note_previous_definition);  in ActOnNamespaceAliasDef()
12325   if (NamedDecl *PrevDecl = LookupSingleName(S, II, D.getIdentifierLoc(),  in ActOnExceptionDeclarator()  local
12331     assert(!S->isDeclScope(PrevDecl));  in ActOnExceptionDeclarator()
12332     if (isDeclInScope(PrevDecl, CurContext, S)) {  in ActOnExceptionDeclarator()
12335       Diag(PrevDecl->getLocation(), diag::note_previous_definition);  in ActOnExceptionDeclarator()
12337     } else if (PrevDecl->isTemplateParameter())  in ActOnExceptionDeclarator()
12339       DiagnoseTemplateParameterShadow(D.getIdentifierLoc(), PrevDecl);  in ActOnExceptionDeclarator()
13986   NamedDecl *PrevDecl = nullptr;  in HandleMSProperty()  local
13992     PrevDecl = Previous.getAsSingle<NamedDecl>();  in HandleMSProperty()
13996     PrevDecl = Previous.getRepresentativeDecl();  in HandleMSProperty()
14005   if (PrevDecl && PrevDecl->isTemplateParameter()) {  in HandleMSProperty()
14007     DiagnoseTemplateParameterShadow(D.getIdentifierLoc(), PrevDecl);  in HandleMSProperty()
14009     PrevDecl = nullptr;  in HandleMSProperty()
14012   if (PrevDecl && !isDeclInScope(PrevDecl, Record, S))  in HandleMSProperty()
14013     PrevDecl = nullptr;  in HandleMSProperty()
14028   if (NewPD->isInvalidDecl() && PrevDecl) {  in HandleMSProperty()