[GHC] #7542: GHC doesn't optimize (strict) composition with id

[GHC]

#7542: GHC doesn't optimize (strict) composition with id
-------------------------------------+-------------------------------------
        Reporter:  shachaf           |                   Owner:  simonpj
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:  8.0.1
       Component:  Compiler          |                 Version:  7.6.1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+-------------------------------------
Changes (by WrenThornton):

 * cc: wren@… (added)


--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/7542#comment:20>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler