[GHC] #10472: SigOf tests fail following renamer tidy-up

[GHC]

#10472: SigOf tests fail following renamer tidy-up
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        Reporter:  simonpj           |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.1
      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):

 It turned out that some of the failures were not spurious, and could be
 tickled using `hs-boot`: #11624. But I'll leave this ticket open because
 fixing that ticket did not solve all of these failing test cases.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10472#comment:3>
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