[GHC] #13479: Core Lint issues during slowtest

[GHC]

#13479: Core Lint issues during slowtest
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        Reporter:  bgamari           |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:  JoinPoints
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #10181            |  Differential Rev(s):  Phab:D3390
       Wiki Page:                    |
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Comment (by simonpj):

 I think that's true.   I'm not certain about the Rec case though.
 Conceivably the direct approach might do better?  Maybe not, I'm not sure.

 Doing it directly just seems a bit more ... direct.  But I don't feel
 strongly.  A Note at least?

 Regardless I certainly think it'd be better not to set a call-arity on a
 join point, instead of messing about in the simplifier (which is really
 innocent).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13479#comment:13>
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