fix(library/type_context): revert method may modify the size of the input argument
fix(library/type_context): revert method may modify the size of the input argument

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