[GHC] #8698: .ctors handling does not work on Windows 64-bit ghci

[GHC]

#8698: .ctors handling does not work on Windows 64-bit ghci
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        Reporter:  awson       |            Owner:  ezyang
            Type:  bug         |           Status:  new
        Priority:  normal      |        Milestone:
       Component:  Compiler    |          Version:  7.8.1-rc1
      Resolution:              |         Keywords:
Operating System:  Windows     |     Architecture:  x86_64 (amd64)
 Type of failure:  GHCi crash  |       Difficulty:  Unknown
       Test Case:              |       Blocked By:
        Blocking:              |  Related Tickets:
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Comment (by awson):

 Also, it might be necessary to add
 {{{RTS_WIN64_ONLY(SymI_HasProto(FreeEnvironmentStringsW))}}} to
 {{{RTS_MINGW_ONLY_SYMBOLS}}} definition.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8698#comment:4>
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