[GHC] #13644: overloaded name used in record pattern matching leads to panic! (the 'impossible' happened) in ghc

[GHC]

#13644: overloaded name used in record pattern matching leads to panic!  (the
'impossible' happened) in ghc
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        Reporter:  pjljvdlaar        |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.4.1
       Component:  Compiler          |              Version:  8.0.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #13840, #13973,   |  Differential Rev(s):
  #14087                             |
       Wiki Page:                    |
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Comment (by simonpj):

 Thanks Adam!

 I think you are saying

 * This patch fixes #13644
 * And it fixes #13973, #14087, #13973, #13840, and #12158
 * But not #13847

 Right?  If so, let's add regression tests for the others; and then close
 this one.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13644#comment:17>
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