Section 30. If a person entitled to recover land as a tenant in tail or as a remainderman dies before the expiration of the period hereinbefore limited for making an entry or commencing an action therefor, no person claiming any estate which the tenant in tail or remainderman might have barred shall make an entry or commence an action to recover such land, except within the period during which the tenant in tail or remainderman, if he had so long lived, might have made such entry or commenced such action.