ho_default_func_2.sub.m:018: In clause for `baz(out)':
ho_default_func_2.sub.m:018:   in argument 1 of call to function
ho_default_func_2.sub.m:018:   `ho_default_func_2.id.mkid'/1:
ho_default_func_2.sub.m:018:   mode error: variable `V_2' has instantiatedness
ho_default_func_2.sub.m:018:   `/* unique */ (func(out) = in is det)',
ho_default_func_2.sub.m:018:   expected instantiatedness was `ground'.