[GHC] #9921: Building Haddocks with Hoogle output results in an error

[GHC]

#9921: Building Haddocks with Hoogle output results in an error
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              Reporter:  snoyberg    |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:  7.10.1
             Component:  Compiler    |          Version:  7.9
            Resolution:              |         Keywords:
      Operating System:              |     Architecture:  x86_64 (amd64)
  Unknown/Multiple                   |       Difficulty:  Unknown
       Type of failure:  Runtime     |       Blocked By:
  crash                              |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Comment (by luite):

 Yep this had me scratching my head for a few days. It's a known problem in
 Haddock and will probably need some changes in both Haddock and Cabal to
 fix, see https://github.com/haskell/haddock/issues/353

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9921#comment:2>
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