[GHC] #8405: experiment with using function-sections for linking (for smaller libs and executables)

[GHC]

#8405: experiment with using function-sections for linking (for smaller libs and
executables)
-------------------------------------+-------------------------------------
        Reporter:  carter            |                   Owner:  olsner
            Type:  task              |                  Status:  new
        Priority:  normal            |               Milestone:  8.0.1
       Component:  Compiler          |                 Version:  7.6.3
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:  Phab:D1242
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Changes (by olsner):

 * differential:   => Phab:D1242


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8405#comment:14>
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