[GHC] #8956: Confusing error message due to ` #`-lines

[GHC]

#8956: Confusing error message due to ` #`-lines
-------------------------------------------------+-------------------------
        Reporter:  hvr                           |            Owner:
            Type:  bug                           |           Status:  new
        Priority:  normal                        |        Milestone:
       Component:  Compiler                      |          Version:
      Resolution:                                |  7.8.1-rc2
Operating System:  Unknown/Multiple              |         Keywords:
 Type of failure:  Incorrect warning at          |     Architecture:
  compile-time                                   |  Unknown/Multiple
       Test Case:                                |       Difficulty:
        Blocking:                                |  Unknown
                                                 |       Blocked By:
                                                 |  Related Tickets:
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Comment (by hvr):

 Here's another example:

 {{{#!hs
  f = ()
 module M3 where
 }}}

 {{{#!hs
  f = ()
 module M4 where
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8956#comment:1>
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