testsuite/tests/ffi/should_fail/NonreducingFfiSignature.stderr


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NonreducingFfiSignature.hs:12:1:
     Unacceptable result type in foreign declaration:
        ‘Foo Int’ cannot be marshalled in a foreign call
     When checking declaration:
        foreign import ccall safe "math.h pow" c_pow
          :: CDouble -> CDouble -> Foo Int