[GHC] #9739: GHC 7.8 chokes on recursive classes

[GHC]

#9739: GHC 7.8 chokes on recursive classes
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              Reporter:  bitonic     |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Compiler    |          Version:  7.9
  (Type checker)                     |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Unknown
  Unknown/Multiple                   |       Blocked By:
       Type of failure:              |  Related Tickets:
  None/Unknown                       |
             Test Case:              |
              Blocking:              |
Differential Revisions:              |
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Changes (by ezyang):

 * version:  7.8.3 => 7.9


Comment:

 Confirmed to loop on GHC HEAD 75979f3661ff16ec44528a23005ac1be2b9683fe

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9739#comment:1>
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