[GHC] #13132: Compilation fails with a panic: get_op runContT

[GHC]

#13132: Compilation fails with a panic: get_op runContT
-------------------------------------+-------------------------------------
        Reporter:  PoroCYon          |                Owner:  rwbarton
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:  ORF
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Compile-time      |            Test Case:
  crash or panic                     |  rename/should_compile/T13132
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2985
       Wiki Page:                    |
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Changes (by rwbarton):

 * testcase:   => rename/should_compile/T13132
 * differential:   => Phab:D2985


Comment:

 I posted a diff fixing the unambiguous case as described above. I don't
 understand these extensions well enough to know whether it is actually
 possible for an ambiguous record selector to pass the renamer to this
 point, so I didn't add a failing test case for the ambiguous record field
 case.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13132#comment:9>
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