alt/error_virtual_type2_alt6.nit:40,17--27: Redef Error: expected `G[T]` bound type; got `G[Discrete]`.
alt/error_virtual_type2_alt6.nit:41,17--23: Redef Error: expected `G[T]` bound type; got `G[Bool]`.
alt/error_virtual_type2_alt6.nit:41,2--23: Error: a property `GT` is already defined in class `B` at line 39.