[GHC] #9208: panic - attempt to prod-split strictness call demand C(S(C(C(S(LS)))))

[GHC]

#9208: panic - attempt to prod-split strictness call demand C(S(C(C(S(LS)))))
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        Reporter:  luite                         |            Owner:
            Type:  bug                           |           Status:  new
        Priority:  normal                        |        Milestone:
       Component:  Compiler                      |          Version:  7.8.2
      Resolution:                                |         Keywords:
Operating System:  Unknown/Multiple              |     Architecture:
 Type of failure:  None/Unknown                  |  Unknown/Multiple
       Test Case:  stranal/should_compile/T9208  |       Difficulty:
        Blocking:                                |  Unknown
                                                 |       Blocked By:
                                                 |  Related Tickets:
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"2e362ddebf2286409b7423d3dd49152117c1ae56/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="2e362ddebf2286409b7423d3dd49152117c1ae56"
 Make splitStrProdDmd (and similarly Use) more robust

 The issue here is avoiding a GHC crash when a program uses
 unsafeCoerce is a dangerous (or even outright-wrong) way.

 See Trac #9208
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9208#comment:3>
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