[GHC] #9193: GHC panic usinig HList and Lens

[GHC]

#9193: GHC panic usinig HList and Lens
-------------------------------+-------------------------------------------
        Reporter:  maxigit     |            Owner:
            Type:  bug         |           Status:  new
        Priority:  normal      |        Milestone:
       Component:  Compiler    |          Version:  7.6.3
      Resolution:              |         Keywords:
Operating System:              |     Architecture:  x86
  Unknown/Multiple             |       Difficulty:  Easy (less than 1 hour)
 Type of failure:  GHCi crash  |       Blocked By:
       Test Case:              |  Related Tickets:
        Blocking:              |
-------------------------------+-------------------------------------------

Comment (by archblob):

 Everything works with 7.8.2.
 What was the panic about exactly ?
 Is this the complete code that caused the problem ?

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9193#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler