[GHC] #12603: INLINE and manually inlining produce different code

[GHC]

#12603: INLINE and manually inlining produce different code
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        Reporter:  bgamari           |                Owner:  bgamari
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Runtime           |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #12747 #12781     |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"bc3d37dada357b04fc5a35f740b4fe7e05292b06/ghc" bc3d37d/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="bc3d37dada357b04fc5a35f740b4fe7e05292b06"
 Float unboxed expressions by boxing

 This patch makes GHC's floating more robust, by allowing it
 to float unboxed expressions of at least some common types.

 See Note [Floating MFEs of unlifted type] in SetLevels.

 This was all provoked by Trac #12603
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12603#comment:29>
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