[GHC] #8308: Resurrect ticky code for counting constructor arity

[GHC]

#8308: Resurrect ticky code for counting constructor arity
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        Reporter:  jstolarek         |                Owner:
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Profiling         |              Version:  7.7
      Resolution:                    |             Keywords:  newcomer
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  Other             |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D931
       Wiki Page:                    |
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Comment (by simonpj):

 OK.  I can live with that. Can you put a comment in the source file or the
 all.T file to mention this point?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8308#comment:14>
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