alt/base_as_cast_alt6.nit:42,1--12: Warning: expression is already a `Object`. alt/base_as_cast_alt6.nit:52,1--12: Warning: expression is already a `Object`. Runtime error: Cast failed. Expected `Comparable`, got `B` (alt/base_as_cast_alt6.nit:58) 0 0 0 2 2 2 2 2