[GHC] #6047: GHC retains unnecessary binding

[GHC]

#6047: GHC retains unnecessary binding
-------------------------------------+-------------------------------------
        Reporter:  simonmar          |                   Owner:  simonpj
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:  8.0.1
       Component:  Compiler          |                 Version:  7.4.1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+-------------------------------------
Changes (by thomie):

 * failure:  None/Unknown => Compile-time performance bug


--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/6047#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler