A revocable trust is started in 2001. Real estate vacation home is placed in trust. Grantor dies 6/22/04. Irrevocable trust begins

The trustee is sp. Beneficiaries are children of deceased (sp is 2nd marriage) from first marriage. Real estate is sold at a loss in trust. Trustee is counseled that with beneficiaires (two) can authorize the closing, ending of the irrevocable trust. Without any money being disbursed to them the beneficiaies. instead can go to spouse/trustee. Beneficiaires sign estate attorney drawn up document to that effect.

What, if anything can be done with loss from irrevocable loss.