[GHC] #10992: Performance regression due to lack of inlining of `foldl` and `foldl'`.

[GHC]

#10992: Performance regression due to lack of inlining of `foldl` and `foldl'`.
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        Reporter:  aleator           |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Core Libraries    |              Version:  7.10.2
      Resolution:                    |             Keywords:  performane
Operating System:  Linux             |         Architecture:  x86_64
 Type of failure:  Runtime           |  (amd64)
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by thomie):

 * cc: ekmett (added)
 * failure:  None/Unknown => Runtime performance bug
 * component:  Compiler => Core Libraries


Comment:

 Replying to [comment:1 nomeata]:

 > If I use...:
 > {{{
 > sum0 xs = sum xs
 > }}}
 > then I get good code...

 Tricky.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10992#comment:2>
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