[GHC] #14128: Possible bug in Renamer when dealing with orphans

[GHC]

#14128: Possible bug in Renamer when dealing with orphans
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        Reporter:  Shayan-Najd       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  8.2.1
  checker)                           |
      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 simonpj):

 I'm confused. If it passes all test cases, precisely when does the ASSERT
 failure happen?  Does it happen in HEAD?  How can someone else reproduce
 your problem?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14128#comment:1>
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