[GHC] #16219: Backpack - TH+indefinite module interface file error

[GHC]

#16219: Backpack - TH+indefinite module interface file error
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        Reporter:  lightandlight     |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.7
      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 ezyang):

 Yes, I plan to look into it. It may be related to
 https://github.com/haskell/cabal/issues/5634

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16219#comment:2>
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