[GHC] #9520: Running an action twice uses much more memory than running it once

[GHC]

#9520: Running an action twice uses much more memory than running it once
-------------------------------------+-------------------------------------
              Reporter:  snoyberg    |            Owner:
                  Type:  bug         |           Status:  new
              Priority:  normal      |        Milestone:
             Component:  Compiler    |          Version:  7.8.3
            Resolution:              |         Keywords:
      Operating System:  Linux       |     Architecture:  x86_64 (amd64)
       Type of failure:  Runtime     |       Difficulty:  Unknown
  performance bug                    |       Blocked By:
             Test Case:              |  Related Tickets:
              Blocking:              |
Differential Revisions:              |
-------------------------------------+-------------------------------------
Changes (by meteficha):

 * cc: meteficha (added)


--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9520#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler