alt/base_arg_named_inherit_alt2.nit:27,7: Error: no parameter `a` for `foo(x, y: nullable Int, z, t: Int, u, v: nullable Int)`.
alt/base_arg_named_inherit_alt2.nit:28,7: Error: no parameter `f` for `foo(x, y: nullable Int, z, t: Int, u, v: nullable Int)`.