alt/error_redef2_1alt2_alt7.nit:32,6--7: Redef error: B::f1 is an inherited property. To redefine it, add the redef keyword.
alt/error_redef2_1alt2_alt7.nit:32,10--12: Redef error: error_redef2_1alt2_alt7#B#f1 redefines error_redef2_1alt2_alt7#A#f1 with 0 parameter(s), 1 expected. Signature is error_redef2_1alt2_alt7#B#f1(i: Int)