1409   EnumDecl *PrevDecl = nullptr;  in VisitEnumDecl()  local
1415     PrevDecl = cast<EnumDecl>(Prev);  in VisitEnumDecl()
1420                        D->getLocation(), D->getIdentifier(), PrevDecl,  in VisitEnumDecl()
1581   CXXRecordDecl *PrevDecl = nullptr;  in VisitClassTemplateDecl()  local
1589         PrevDecl = PrevClassTemplate->getTemplatedDecl();  in VisitClassTemplateDecl()
1620         PrevDecl = PrevClassTemplate->getTemplatedDecl();  in VisitClassTemplateDecl()
1649       Pattern->getLocation(), Pattern->getIdentifier(), PrevDecl,  in VisitClassTemplateDecl()
1872   CXXRecordDecl *PrevDecl = nullptr;  in VisitCXXRecordDecl()  local
1878     PrevDecl = cast<CXXRecordDecl>(Prev);  in VisitCXXRecordDecl()
1891                                    D->getIdentifier(), PrevDecl,  in VisitCXXRecordDecl()
3139     UsingShadowDecl *PrevDecl = nullptr;  in VisitBaseUsingDecls()  local
3141         SemaRef.CheckUsingShadowDecl(Inst, InstTarget, *Lookup, PrevDecl))  in VisitBaseUsingDecls()
3145       PrevDecl = cast_or_null<UsingShadowDecl>(SemaRef.FindInstantiatedDecl(  in VisitBaseUsingDecls()
3149         /*Scope*/ nullptr, Inst, InstTarget, PrevDecl);  in VisitBaseUsingDecls()
3706   ClassTemplateSpecializationDecl *PrevDecl =  in VisitClassTemplateSpecializationDecl()  local
3712   if (PrevDecl &&  in VisitClassTemplateSpecializationDecl()
3715                                                      PrevDecl,  in VisitClassTemplateSpecializationDecl()
3716                                                      PrevDecl->getSpecializationKind(),  in VisitClassTemplateSpecializationDecl()
3717                                                      PrevDecl->getPointOfInstantiation(),  in VisitClassTemplateSpecializationDecl()
3733   if (PrevDecl && PrevDecl->getDefinition() &&  in VisitClassTemplateSpecializationDecl()
3735     SemaRef.Diag(D->getLocation(), diag::err_redefinition) << PrevDecl;  in VisitClassTemplateSpecializationDecl()
3736     SemaRef.Diag(PrevDecl->getDefinition()->getLocation(),  in VisitClassTemplateSpecializationDecl()
3745           D->getLocation(), InstClassTemplate, Converted, PrevDecl);  in VisitClassTemplateSpecializationDecl()
3749   if (!PrevDecl)  in VisitClassTemplateSpecializationDecl()
3829   VarTemplateSpecializationDecl *PrevDecl =  in VisitVarTemplateSpecializationDecl()  local
3835   if (PrevDecl && SemaRef.CheckSpecializationInstantiationRedecl(  in VisitVarTemplateSpecializationDecl()
3836                       D->getLocation(), D->getSpecializationKind(), PrevDecl,  in VisitVarTemplateSpecializationDecl()
3837                       PrevDecl->getSpecializationKind(),  in VisitVarTemplateSpecializationDecl()
3838                       PrevDecl->getPointOfInstantiation(), Ignored))  in VisitVarTemplateSpecializationDecl()
3842       InstVarTemplate, D, VarTemplateArgsInfo, Converted, PrevDecl);  in VisitVarTemplateSpecializationDecl()
3849     VarTemplateSpecializationDecl *PrevDecl) {  in VisitVarTemplateSpecializationDecl()  argument
3869   if (!PrevDecl) {  in VisitVarTemplateSpecializationDecl()
3883                                      StartingScope, false, PrevDecl);  in VisitVarTemplateSpecializationDecl()
4107   ClassTemplateSpecializationDecl *PrevDecl  in InstantiateClassTemplatePartialSpecialization()  local
4131   if (PrevDecl) {  in InstantiateClassTemplatePartialSpecialization()
4149     SemaRef.Diag(PrevDecl->getLocation(), diag::note_prev_partial_spec_here)  in InstantiateClassTemplatePartialSpecialization()
4150       << SemaRef.Context.getTypeDeclType(PrevDecl);  in InstantiateClassTemplatePartialSpecialization()
4231   VarTemplateSpecializationDecl *PrevDecl =  in InstantiateVarTemplatePartialSpecialization()  local
4250   if (PrevDecl) {  in InstantiateVarTemplatePartialSpecialization()
4269     SemaRef.Diag(PrevDecl->getLocation(),  in InstantiateVarTemplatePartialSpecialization()