alt/base_attr_abstract_alt1.nit:19,24--31: Error: `abstract` attributes cannot have an initial value.
alt/base_attr_abstract_alt1.nit:20,6: Error: a property `b` is already defined in class `Foo` at line 19.
alt/base_attr_abstract_alt1.nit:21,15--22: Error: `abstract` attributes cannot have an initial value.
alt/base_attr_abstract_alt1.nit:22,15--22: Error: `abstract` attributes cannot have an initial value.
alt/base_attr_abstract_alt1.nit:23,15--22: Error: `abstract` attributes cannot have an initial value.
alt/base_attr_abstract_alt1.nit:37,12--13: Error: no property `Baz::b=` is inherited. Remove the `redef` keyword to define a new property.