[GHC] #13739: very slow linking of executables with ld.bfd < 2.27

[GHC]

#13739: very slow linking of executables with ld.bfd < 2.27
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        Reporter:  duog              |                Owner:  (none)
            Type:  bug               |               Status:  infoneeded
        Priority:  high              |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  8.2.1-rc2
      Resolution:                    |             Keywords:
Operating System:  Linux             |         Architecture:  x86_64
 Type of failure:  Compile-time      |  (amd64)
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  13541             |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by duog):

 Also, would anyone be able to check whether this occurs for non ELF
 targets? The thread linked to in comment 25 suggests some candidates for
 the fix in 2.27, both of which are ELF specific.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13739#comment:29>
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