-base_isa_gen4.nit:36,8--22: Warning: expression is already a `B[Animal]` since it is a `B[Canard]`.
-base_isa_gen4.nit:40,8--24: Warning: expression is already a `B[B[Canard]]`.
-base_isa_gen4.nit:42,8--24: Warning: expression is already a `B[B[Animal]]` since it is a `B[B[Canard]]`.
+base_isa_gen4.nit:35,8--23: Warning: expression is already a `B[Canard]`.
+base_isa_gen4.nit:36,8--23: Warning: expression is already a `B[Animal]` since it is a `B[Canard]`.
+base_isa_gen4.nit:40,8--26: Warning: expression is already a `B[B[Canard]]`.
+base_isa_gen4.nit:42,8--26: Warning: expression is already a `B[B[Animal]]` since it is a `B[B[Canard]]`.