1420   EnumDecl *PrevDecl = nullptr;  in VisitEnumDecl()  local
1426     PrevDecl = cast<EnumDecl>(Prev);  in VisitEnumDecl()
1431                        D->getLocation(), D->getIdentifier(), PrevDecl,  in VisitEnumDecl()
1592   CXXRecordDecl *PrevDecl = nullptr;  in VisitClassTemplateDecl()  local
1600         PrevDecl = PrevClassTemplate->getTemplatedDecl();  in VisitClassTemplateDecl()
1631         PrevDecl = PrevClassTemplate->getTemplatedDecl();  in VisitClassTemplateDecl()
1664       Pattern->getLocation(), Pattern->getIdentifier(), PrevDecl,  in VisitClassTemplateDecl()
1888   CXXRecordDecl *PrevDecl = nullptr;  in VisitCXXRecordDecl()  local
1894     PrevDecl = cast<CXXRecordDecl>(Prev);  in VisitCXXRecordDecl()
1907                                    D->getIdentifier(), PrevDecl,  in VisitCXXRecordDecl()
3204     UsingShadowDecl *PrevDecl = nullptr;  in VisitBaseUsingDecls()  local
3206         SemaRef.CheckUsingShadowDecl(Inst, InstTarget, *Lookup, PrevDecl))  in VisitBaseUsingDecls()
3210       PrevDecl = cast_or_null<UsingShadowDecl>(SemaRef.FindInstantiatedDecl(  in VisitBaseUsingDecls()
3214         /*Scope*/ nullptr, Inst, InstTarget, PrevDecl);  in VisitBaseUsingDecls()
3772   ClassTemplateSpecializationDecl *PrevDecl =  in VisitClassTemplateSpecializationDecl()  local
3778   if (PrevDecl &&  in VisitClassTemplateSpecializationDecl()
3781                                                      PrevDecl,  in VisitClassTemplateSpecializationDecl()
3782                                                      PrevDecl->getSpecializationKind(),  in VisitClassTemplateSpecializationDecl()
3783                                                      PrevDecl->getPointOfInstantiation(),  in VisitClassTemplateSpecializationDecl()
3799   if (PrevDecl && PrevDecl->getDefinition() &&  in VisitClassTemplateSpecializationDecl()
3801     SemaRef.Diag(D->getLocation(), diag::err_redefinition) << PrevDecl;  in VisitClassTemplateSpecializationDecl()
3802     SemaRef.Diag(PrevDecl->getDefinition()->getLocation(),  in VisitClassTemplateSpecializationDecl()
3811           D->getLocation(), InstClassTemplate, CanonicalConverted, PrevDecl);  in VisitClassTemplateSpecializationDecl()
3815   if (!PrevDecl)  in VisitClassTemplateSpecializationDecl()
3896   VarTemplateSpecializationDecl *PrevDecl =  in VisitVarTemplateSpecializationDecl()  local
3902   if (PrevDecl && SemaRef.CheckSpecializationInstantiationRedecl(  in VisitVarTemplateSpecializationDecl()
3903                       D->getLocation(), D->getSpecializationKind(), PrevDecl,  in VisitVarTemplateSpecializationDecl()
3904                       PrevDecl->getSpecializationKind(),  in VisitVarTemplateSpecializationDecl()
3905                       PrevDecl->getPointOfInstantiation(), Ignored))  in VisitVarTemplateSpecializationDecl()
3909       InstVarTemplate, D, VarTemplateArgsInfo, CanonicalConverted, PrevDecl);  in VisitVarTemplateSpecializationDecl()
3916     VarTemplateSpecializationDecl *PrevDecl) {  in VisitVarTemplateSpecializationDecl()  argument
3936   if (!PrevDecl) {  in VisitVarTemplateSpecializationDecl()
3950                                      StartingScope, false, PrevDecl);  in VisitVarTemplateSpecializationDecl()
4168   ClassTemplateSpecializationDecl *PrevDecl =  in InstantiateClassTemplatePartialSpecialization()  local
4191   if (PrevDecl) {  in InstantiateClassTemplatePartialSpecialization()
4209     SemaRef.Diag(PrevDecl->getLocation(), diag::note_prev_partial_spec_here)  in InstantiateClassTemplatePartialSpecialization()
4210       << SemaRef.Context.getTypeDeclType(PrevDecl);  in InstantiateClassTemplatePartialSpecialization()
4293   VarTemplateSpecializationDecl *PrevDecl =  in InstantiateVarTemplatePartialSpecialization()  local
4313   if (PrevDecl) {  in InstantiateVarTemplatePartialSpecialization()
4332     SemaRef.Diag(PrevDecl->getLocation(),  in InstantiateVarTemplatePartialSpecialization()