path: root/testsuite/tests/ghc-regress/typecheck/should_fail/tcfail027.stderr

tcfail027.hs:4:1:
    Cycle in class declarations (via superclasses):
      tcfail027.hs:(4,1)-(5,14): class B a => A a
      tcfail027.hs:(7,1)-(8,19): class A a => B a