+-- We can't give an accurate type for error, because it mentions an open
+-- type variable, but fortunately it doesn't matter what type we
+-- give here because the compiler will use its wired-in version. But we have
+-- to mention 'error' so that it gets exported from this .hi-boot
+-- file.
+error :: GHC.Base.String -> a
+parError :: GHC.Base.String -> a