
tcfail036.hs:6:10:
    Duplicate instance declarations:
      instance Num NUM -- Defined at tcfail036.hs:6:10
      instance Num NUM -- Defined at tcfail036.hs:8:10

tcfail036.hs:9:13:
    Expecting one more argument to `Num'
    In the instance declaration for `Eq Num'
