[GHC] #12158: ghc: panic! (the 'impossible' happened) translateConPatVec: lookup

[GHC]

#12158: ghc: panic! (the 'impossible' happened)  translateConPatVec: lookup
-------------------------------------+-------------------------------------
        Reporter:  wozgonon          |                Owner:  gkaracha
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  GHCi              |              Version:  8.0.1
      Resolution:                    |             Keywords:
                                     |  PatternMatchWarnings
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash                              |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #13644            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"983e491927a461457cc587197ce1644746db894b/ghc" 983e491/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="983e491927a461457cc587197ce1644746db894b"
 testsuite: Add testcase for #12158

 Subscribers: rwbarton, thomie, carter

 Differential Revision: https://phabricator.haskell.org/D4334
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12158#comment:13>
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