[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
-------------------------------------+-------------------------------------
        Reporter:  pjljvdlaar        |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:  8.4.1
       Component:  Compiler          |              Version:  8.0.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Compile-time      |            Test Case:
  crash or panic                     |  rename/should_fail/T13644
      Blocked By:                    |             Blocking:
 Related Tickets:  #13840, #13973,   |  Differential Rev(s):  Phab:D3988
  #14087                             |
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by Ben Gamari <ben@…>):

 In [changeset:"72b00c34c73ff6c63ee4928006b0cc60034a7638/ghc"
 72b00c34/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="72b00c34c73ff6c63ee4928006b0cc60034a7638"
 Identify fields by selector when type-checking (fixes #13644)

 Test Plan: new test for #13847, and the test for #13644 now passes

 Reviewers: mpickering, austin, bgamari, simonpj

 Reviewed By: mpickering, simonpj

 Subscribers: simonpj, rwbarton, thomie

 GHC Trac Issues: #13644, #13847

 Differential Revision: https://phabricator.haskell.org/D3988
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13644#comment:20>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler