T5971.hs:6:6: error:
    • The exact Name ‘x’ is not in scope
        Probable cause: you used a unique Template Haskell name (NameU), 
        perhaps via newName, but did not bind it
        If that's it, then -ddump-splices might be useful
    • In the untyped splice: $(newName "x" >>= varE)