[GHC] #8570: In a pattern binding:ghc: panic! (the 'impossible' happened): Bogus selector Id

[GHC]

#8570: In a pattern binding:ghc: panic! (the 'impossible' happened): Bogus
selector Id
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        Reporter:  rzetterberg         |            Owner:
            Type:  bug                 |           Status:  new
        Priority:  normal              |        Milestone:
       Component:  Compiler            |          Version:  7.6.3
      Resolution:                      |         Keywords:
Operating System:  Linux               |     Architecture:  x86_64 (amd64)
 Type of failure:  Compile-time crash  |       Difficulty:  Unknown
       Test Case:                      |       Blocked By:
        Blocking:                      |  Related Tickets:
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"162765e02c0b2acfc731d47362c37db6cf00fcdf/testsuite"]:
 {{{
 #!CommitTicketReference repository="testsuite"
 revision="162765e02c0b2acfc731d47362c37db6cf00fcdf"
 Test Trac #8570
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8570#comment:7>
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