[GHC] #11023: ghci and ghc-pkg disagree about what's exposed

[GHC]

#11023: ghci and ghc-pkg disagree about what's exposed
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        Reporter:  dmwit             |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Package system    |              Version:  7.10.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by rwbarton):

 So ghci calls vector-0.10.12.3 hidden while ghc-pkg calls it exposed. I
 think this will happen when one of the dependencies of vector-0.10.12.3 is
 hidden. Not confident though.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11023#comment:1>
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