[GHC] #12031: GHCi segfaults on Windows when compiling C code using extern-declared variable

[GHC]

#12031: GHCi segfaults on Windows when compiling C code using extern-declared
variable
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        Reporter:  RyanGlScott       |                Owner:  Phyx-
            Type:  bug               |               Status:  merge
        Priority:  high              |            Milestone:  8.0.2
       Component:  Runtime System    |              Version:  8.0.1
  (Linker)                           |
      Resolution:                    |             Keywords:
Operating System:  Windows           |         Architecture:  x86_64
                                     |  (amd64)
 Type of failure:  GHCi crash        |            Test Case:  T12031
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2316
       Wiki Page:                    |
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Comment (by bgamari):

 Phyx, I gave merging comment:6 a shot with
 38497a2317b015249c96d03c2c3df97fffdc6929. It would be great if you could
 just test it.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12031#comment:10>
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