[GHC] #9281: Rewrite `integer-gmp` to use only non-allocating GMP functions

[GHC]

#9281: Rewrite `integer-gmp` to use only non-allocating GMP functions
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        Reporter:  hvr               |                Owner:  hvr
            Type:  task              |               Status:  closed
        Priority:  normal            |            Milestone:  7.10.1
       Component:  Core Libraries    |              Version:
      Resolution:  fixed             |             Keywords:  integer-gmp
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #8647 #9818       |  Differential Rev(s):  Phab:D82
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"0aba999f60babe6878a1fd2cc8410139358cad16/ghc" 0aba999/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="0aba999f60babe6878a1fd2cc8410139358cad16"
 Restore function powModSecInteger

 The function existed in integer-gmp-0.5.1.0 but was removed as
 part of integer-gmp2 rewrite in #9281.  This is to bring it back.

 Test Plan: Case integerGmpInternals, with GMP 4.3.2 and GMP 6.1.2

 Reviewers: austin, hvr, goldfire, bgamari

 Reviewed By: bgamari

 Subscribers: rwbarton, thomie

 Differential Revision: https://phabricator.haskell.org/D3947
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9281#comment:33>
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