[GHC] #13104: runRW# ruins join points

[GHC]

#13104: runRW# ruins join points
-------------------------------------+-------------------------------------
        Reporter:  lukemaurer        |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.4.1
       Component:  Compiler          |              Version:  8.1
      Resolution:                    |             Keywords:  JoinPoints
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by simonpj):

 > Can we somehow tell GHC that the argument of runRW# is special in the
 sense that passing a join-point call there is ok?

 That would be horribly ad-hoc.  We need a better way.

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13104#comment:9>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler