[GHC] #12871: Upgrade Mingw-w64 bindist for GHC to GCC 6.2.0 and Binutils 2.27.2

[GHC]

#12871: Upgrade Mingw-w64 bindist for GHC to GCC 6.2.0 and Binutils 2.27.2
---------------------------------+----------------------------------------
        Reporter:  Phyx-         |                Owner:  Phyx-
            Type:  task          |               Status:  patch
        Priority:  normal        |            Milestone:  8.2.1
       Component:  Compiler      |              Version:  8.0.1
      Resolution:                |             Keywords:
Operating System:  Windows       |         Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown  |            Test Case:
      Blocked By:                |             Blocking:
 Related Tickets:                |  Differential Rev(s):  Phab:D2749
       Wiki Page:                |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"20c06143a7bfc6548351e610350a8e1c0d8a0bb9/ghc"
 20c06143/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="20c06143a7bfc6548351e610350a8e1c0d8a0bb9"
 Update Mingw-w64 bindist for Windows

 This updates the binary dists for windows to GCC 6.2.0 and
 binutils 2.27.2 which has fixes required for LLVM.

 Test Plan: ./validate

 Reviewers: simonmar, erikd, austin, bgamari

 Reviewed By: simonmar, bgamari

 Subscribers: thomie, #ghc_windows_task_force

 Differential Revision: https://phabricator.haskell.org/D2749

 GHC Trac Issues: #12871, #8974
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12871#comment:4>
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