tcfail200.hs:5:15:
    Couldn't match kind ‘*’ with ‘#’
    When matching types
      t1 :: *
      GHC.Prim.Int# :: #
    Relevant bindings include
      x :: (t1, Char) (bound at tcfail200.hs:5:9)
    In the expression: 1#
    In the expression: (1#, 'c')
    In an equation for ‘x’: x = (1#, 'c')