testsuite/tests/ghci/scripts/ghci044.stderr


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<interactive>:10:1:
    Overlapping instances for C [Int] arising from a use of ‘f’
    Matching instances:
      instance C [Int] -- Defined at <interactive>:7:10
      instance C a => C [a] -- Defined at <interactive>:9:10
    In the expression: f [4 :: Int]
    In an equation for ‘it’: it = f [4 :: Int]