testsuite/tests/typecheck/should_fail/T15883b.stderr


1
2
3
4
5

T15883b.hs:14:1:
     Can't make a derived instance of
        ‘Eq (Foo 'LiftedRep)’ with the stock strategy:
        Don't know how to derive ‘Eq’ for type ‘forall a. a’
     In the stand-alone deriving instance for ‘Eq (Foo LiftedRep)’