[GHC] #9279: Local wrapper function remains in final program; result = extra closure allocation

[GHC]

#9279: Local wrapper function remains in final program; result = extra closure
allocation
-------------------------------------+-------------------------------------
        Reporter:  simonmar          |                Owner:  simonpj
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.8.2
      Resolution:                    |             Keywords:  LateLamLift
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 sgraf):

 `-flate-dmd-anal` doesn't seem to have any effect. Weird, considering that
 `DmdAnal` definitely sees the opportunity, but WW doesn't seem to exploit
 it.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9279#comment:12>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler