[GHC] #4862: Enable usage of gold linker with GHC

[GHC]

#4862: Enable usage of gold linker with GHC
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        Reporter:  ajd               |                Owner:  igloo
            Type:  feature request   |               Status:  closed
        Priority:  normal            |            Milestone:  7.4.3
       Component:  Compiler          |              Version:  7.0.1
      Resolution:  fixed             |             Keywords:
Operating System:  Linux             |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by nh2):

 A summary of how to use gold for linking for those who are looking for
 instructions [http://stackoverflow.com/questions/43243322/how-to-link-
 with-the-gnu-gold-linker-instead-of-ld-in-haskell/ can be found here.] It
 is much faster.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4862#comment:16>
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