[GHC] #8320: Build fails due to Haddock error in ghc-prim:GHC.Types

[GHC]

#8320: Build fails due to Haddock error in ghc-prim:GHC.Types
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        Reporter:  guest                |            Owner:
            Type:  bug                  |           Status:  new
        Priority:  normal               |        Milestone:
       Component:  Build System         |          Version:  7.7
      Resolution:                       |         Keywords:
Operating System:  Linux                |     Architecture:  x86
 Type of failure:  Building GHC failed  |       Difficulty:  Unknown
       Test Case:                       |       Blocked By:
        Blocking:                       |  Related Tickets:
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Comment (by jstolarek):

 #8276 might be related, but to be honest we don't really know. They are
 certainly not duplicates.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8320#comment:11>
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