[GHC] #13224: Rules and join points

[GHC]

#13224: Rules and join points
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        Reporter:  lukemaurer        |                Owner:  lukemaurer
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:  JoinPoints
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by simonpj):

 In the case where `j` is a join-point ''before'' specialisation, are we
 sure it'll stay a join-point afterwards?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13224#comment:1>
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