[GHC] #8834: 64-bit windows cabal.exe segfaults in GC

[GHC]

#8834: 64-bit windows cabal.exe segfaults in GC
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        Reporter:  awson          |            Owner:  jstolarek
            Type:  bug            |           Status:  patch
        Priority:  highest        |        Milestone:  7.8.1
       Component:  Compiler       |          Version:  7.8.1-rc2
      Resolution:                 |         Keywords:
Operating System:  Windows        |     Architecture:  x86_64 (amd64)
 Type of failure:  Runtime crash  |       Difficulty:  Unknown
       Test Case:                 |       Blocked By:
        Blocking:                 |  Related Tickets:
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Comment (by jstolarek):

 Replying to [comment:61 refold]:
 > Replying to [comment:60 jstolarek]:
 > > > glibc is completely irrelevant here. memchr comes from system dll
 msvcrt.dll and I doubt it is wrong.
 > >
 > > Hmm... I doubt we can take a look at source of that dll ;-)
 >
 > I believe that Microsoft ships the CRT source with Visual Studio.

 Great. Does anyone have access to Visual Studio and could check the
 implementation of `memchr`?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8834#comment:63>
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