-alt/base_as_notnull_alt5.nit:41,6--19: Warning: expression is already not null, since it is a `A`.
-alt/base_as_notnull_alt5.nit:42,6--20: Warning: expression is already not null, since it is a `A`.
-alt/base_as_notnull_alt5.nit:43,6--19: Warning: expression is already not null, since it is a `B`.
-alt/base_as_notnull_alt5.nit:52,6--19: Warning: expression is already not null, since it is a `B`.
+alt/base_as_notnull_alt5.nit:41,6: Warning: expression is not null, since it is a `A`.
+alt/base_as_notnull_alt5.nit:42,6--7: Warning: expression is not null, since it is a `A`.
+alt/base_as_notnull_alt5.nit:43,6: Warning: expression is not null, since it is a `B`.
+alt/base_as_notnull_alt5.nit:52,6: Warning: expression is not null, since it is a `B`.