GHC panic with malformed pragma

This comment crashes GHC (the comment is not properly closed)

{-# OPTIONS_GHC -f-no-warn-orphans #}

 ghc: panic! (the 'impossible' happened)
      (GHC version 8.4.3 for x86_64-apple-darwin):
    	getOptions'.parseToks: Couldn't read " \"|\")) <> rand_bytes\n        pure $ (==) hashed rehashed\n      final = either (FailedToParse . show) (bool InValid Valid) result\n\n{-# ANN StateNamePrefix (Just (\"Test\" :: Text)) " as String

Edited Mar 10, 2019 by etorreborre

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