[GHC] #12699: Suspicious treatment of renaming of field labels

[GHC]

#12699: Suspicious treatment of renaming of field labels
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        Reporter:  bgamari           |                Owner:  adamgundry
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  8.1
  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 ezyang):

 I'm also happy to advise on the intended semantics of interface renaming,
 but I really don't understand why the TcIface code goes into an OccName,
 and then back to a Name afterwards.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12699#comment:3>
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