fix(library/class_instance_resolution): initialization bug and ignore universe metavariables not instantiated by unifier
fix(library/class_instance_resolution): initialization bug and ignore universe metavariables not instantiated by unifier

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