[GHC] #4374: Remove in-tree gmp

[GHC]

#4374: Remove in-tree gmp
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        Reporter:  igloo             |                Owner:  (none)
            Type:  task              |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Build System      |              Version:  7.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #8156, #7655      |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by mpickering):

 * related:  #8156 => #8156, #7655


Comment:

 Also see #7655

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4374#comment:13>
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