testsuite/tests/rep-poly/RepPolyApp.stderr


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RepPolyApp.hs:11:9: error: [GHC-55287]
    • The argument ‘(undefined :: a)’ of ‘f’
      does not have a fixed runtime representation.
      Its type is:
        a :: TYPE rep
    • In the expression: f (undefined :: a)
      In an equation for ‘foo’: foo f = f (undefined :: a)