1501   EnumDecl *PrevDecl = nullptr;  in VisitEnumDecl()  local
1507     PrevDecl = cast<EnumDecl>(Prev);  in VisitEnumDecl()
1512                        D->getLocation(), D->getIdentifier(), PrevDecl,  in VisitEnumDecl()
1673   CXXRecordDecl *PrevDecl = nullptr;  in VisitClassTemplateDecl()  local
1681         PrevDecl = PrevClassTemplate->getTemplatedDecl();  in VisitClassTemplateDecl()
1712         PrevDecl = PrevClassTemplate->getTemplatedDecl();  in VisitClassTemplateDecl()
1725       Pattern->getLocation(), Pattern->getIdentifier(), PrevDecl,  in VisitClassTemplateDecl()
1971   CXXRecordDecl *PrevDecl = nullptr;  in VisitCXXRecordDecl()  local
1977     PrevDecl = cast<CXXRecordDecl>(Prev);  in VisitCXXRecordDecl()
1990                                    D->getIdentifier(), PrevDecl,  in VisitCXXRecordDecl()
3322     UsingShadowDecl *PrevDecl = nullptr;  in VisitBaseUsingDecls()  local
3324         SemaRef.CheckUsingShadowDecl(Inst, InstTarget, *Lookup, PrevDecl))  in VisitBaseUsingDecls()
3328       PrevDecl = cast_or_null<UsingShadowDecl>(SemaRef.FindInstantiatedDecl(  in VisitBaseUsingDecls()
3332         /*Scope*/ nullptr, Inst, InstTarget, PrevDecl);  in VisitBaseUsingDecls()
3891   ClassTemplateSpecializationDecl *PrevDecl =  in VisitClassTemplateSpecializationDecl()  local
3897   if (PrevDecl &&  in VisitClassTemplateSpecializationDecl()
3900                                                      PrevDecl,  in VisitClassTemplateSpecializationDecl()
3901                                                      PrevDecl->getSpecializationKind(),  in VisitClassTemplateSpecializationDecl()
3902                                                      PrevDecl->getPointOfInstantiation(),  in VisitClassTemplateSpecializationDecl()
3918   if (PrevDecl && PrevDecl->getDefinition() &&  in VisitClassTemplateSpecializationDecl()
3920     SemaRef.Diag(D->getLocation(), diag::err_redefinition) << PrevDecl;  in VisitClassTemplateSpecializationDecl()
3921     SemaRef.Diag(PrevDecl->getDefinition()->getLocation(),  in VisitClassTemplateSpecializationDecl()
3930           D->getLocation(), InstClassTemplate, CanonicalConverted, PrevDecl);  in VisitClassTemplateSpecializationDecl()
3935   if (!PrevDecl)  in VisitClassTemplateSpecializationDecl()
3998   VarTemplateSpecializationDecl *PrevDecl =  in VisitVarTemplateSpecializationDecl()  local
4004   if (PrevDecl && SemaRef.CheckSpecializationInstantiationRedecl(  in VisitVarTemplateSpecializationDecl()
4005                       D->getLocation(), D->getSpecializationKind(), PrevDecl,  in VisitVarTemplateSpecializationDecl()
4006                       PrevDecl->getSpecializationKind(),  in VisitVarTemplateSpecializationDecl()
4007                       PrevDecl->getPointOfInstantiation(), Ignored))  in VisitVarTemplateSpecializationDecl()
4011       InstVarTemplate, D, VarTemplateArgsInfo, CanonicalConverted, PrevDecl);  in VisitVarTemplateSpecializationDecl()
4018     VarTemplateSpecializationDecl *PrevDecl) {  in VisitVarTemplateSpecializationDecl()  argument
4038   if (!PrevDecl) {  in VisitVarTemplateSpecializationDecl()
4052                                      StartingScope, false, PrevDecl);  in VisitVarTemplateSpecializationDecl()
4270   ClassTemplateSpecializationDecl *PrevDecl =  in InstantiateClassTemplatePartialSpecialization()  local
4295   if (PrevDecl) {  in InstantiateClassTemplatePartialSpecialization()
4314     SemaRef.Diag(PrevDecl->getLocation(), diag::note_prev_partial_spec_here)  in InstantiateClassTemplatePartialSpecialization()
4315       << SemaRef.Context.getTypeDeclType(PrevDecl);  in InstantiateClassTemplatePartialSpecialization()
4383   VarTemplateSpecializationDecl *PrevDecl =  in InstantiateVarTemplatePartialSpecialization()  local
4416   if (PrevDecl) {  in InstantiateVarTemplatePartialSpecialization()
4435     SemaRef.Diag(PrevDecl->getLocation(),  in InstantiateVarTemplatePartialSpecialization()