[GHC] #9315: Weird change in allocation numbers of T9203

[GHC]

#9315: Weird change in allocation numbers of T9203
-------------------------------------+-------------------------------------
              Reporter:  nomeata     |             Owner:  simonmar
                  Type:  bug         |            Status:  new
              Priority:  normal      |         Milestone:
             Component:  Runtime     |           Version:  7.9
  System                             |          Keywords:
            Resolution:              |  Operating System:  Unknown/Multiple
Differential Revisions:              |   Type of failure:  None/Unknown
          Architecture:              |         Test Case:
  Unknown/Multiple                   |          Blocking:
            Difficulty:  Unknown     |
            Blocked By:              |
       Related Tickets:              |
-------------------------------------+-------------------------------------

Comment (by nomeata):

 > > the compiler is still not built with -O2
 >  True, but one step at a time. (I’ll time this change later, probably
 over lunch.)

 {{{
 4311.12user 223.56system 42:58.26elapsed 175%CPU (0avgtext+0avgdata
 1557124maxresident)k
 256824inputs+18215896outputs (472major+251942192minor)pagefaults 0swaps
 }}}

 Another +5 minutes, so I won’t argue for changing that at this point.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9315#comment:22>
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