ghc/tests/typecheck/should_fail/tcfail056.stderr

   1
   2 tcfail056.hs:10: No explicit method nor default method for `PrelBase.=='
   3                  in an instance declaration for `PrelBase.Eq'
   4
   5 tcfail056.hs:1: Duplicate or overlapping instance declarations
   6     for `PrelBase.Eq Foo' at tcfail056.hs:6 and tcfail056.hs:10
   7
   8 tcfail056.hs:1: Duplicate or overlapping instance declarations
   9     for `PrelBase.Eq Foo' at tcfail056.hs:6 and tcfail056.hs:10
  10
  11 tcfail056.hs:1: Duplicate or overlapping instance declarations
  12     for `PrelBase.Eq Foo' at tcfail056.hs:6 and tcfail056.hs:10
  13
  14 tcfail056.hs:10: Class `PrelBase.Eq' does not have a method `<='
  15
  16 Compilation had errors