feat(library/unifier): additional memory checks
feat(library/unifier): additional memory checks

Kha/lean,dselsam/lean,c-cube/lean,digama0/lean,soonhokong/lean,fgdorais/lean,c-cube/lean,c-cube/lean,soonhokong/lean-windows,fgdorais/lean,htzh/lean,levnach/lean,leanprover/lean,fpvandoorn/lean,fgdorais/lean,fpvandoorn/lean2,fpvandoorn/lean2,soonhokong/lean,leodemoura/lean,avigad/lean,digama0/lean,leanprover/lean,rlewis1988/lean,UlrikBuchholtz/lean,Kha/lean,UlrikBuchholtz/lean,rlewis1988/lean,soonhokong/lean-osx,fpvandoorn/lean,Kha/lean,johoelzl/lean,sp3ctum/lean,UlrikBuchholtz/lean,johoelzl/lean,eigengrau/lean,leodemoura/lean,soonhokong/lean-windows,eigengrau/lean,htzh/lean,fpvandoorn/lean2,UlrikBuchholtz/lean,Kha/lean,leodemoura/lean,leanprover-community/lean,javra/lean,c-cube/lean,leanprover/lean,soonhokong/lean-osx,rlewis1988/lean,leanprover/lean,dselsam/lean,fgdorais/lean,sp3ctum/lean,javra/lean,fpvandoorn/lean,johoelzl/lean,soonhokong/lean,fgdorais/lean,fpvandoorn/lean,fpvandoorn/lean2,fpvandoorn/lean,avigad/lean,leanprover/lean,eigengrau/lean,soonhokong/lean,htzh/lean,dselsam/lean,levnach/lean,digama0/lean,c-cube/lean,leanprover-community/lean,leodemoura/lean,soonhokong/lean-osx,levnach/lean,UlrikBuchholtz/lean,johoelzl/lean,leodemoura/lean,soonhokong/lean-windows,digama0/lean,johoelzl/lean,htzh/lean,levnach/lean,avigad/lean,digama0/lean,leodemoura/lean,leanprover-community/lean,sp3ctum/lean,rlewis1988/lean,leanprover-community/lean,dselsam/lean,fpvandoorn/lean2,eigengrau/lean,leanprover-community/lean,avigad/lean,soonhokong/lean-windows,fpvandoorn/lean,levnach/lean,soonhokong/lean-osx,dselsam/lean,soonhokong/lean-windows,digama0/lean,htzh/lean,Kha/lean,johoelzl/lean,sp3ctum/lean,eigengrau/lean,leanprover-community/lean,javra/lean,rlewis1988/lean,dselsam/lean,fgdorais/lean,javra/lean,Kha/lean,javra/lean,sp3ctum/lean,soonhokong/lean,soonhokong/lean-osx,avigad/lean,rlewis1988/lean,avigad/lean,leanprover/lean