[GHC] #16387: Duplicate vsnwprintf symbol on Windows

[GHC]

#16387: Duplicate vsnwprintf symbol on Windows
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        Reporter:  bgamari       |                Owner:  (none)
            Type:  bug           |               Status:  new
        Priority:  normal        |            Milestone:
       Component:  Compiler      |              Version:  8.6.3
      Resolution:                |             Keywords:  broken-test
Operating System:  Windows       |         Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown  |            Test Case:
      Blocked By:                |             Blocking:
 Related Tickets:                |  Differential Rev(s):
       Wiki Page:                |
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Comment (by Marge Bot <ben+marge-bot@…>):

 In [changeset:"ae382245ea65bf8824db7f4dbab5ade78e6ed9dd/ghc"
 ae382245/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="ae382245ea65bf8824db7f4dbab5ade78e6ed9dd"
 rts/RtsSymbols: Drop __mingw_vsnwprintf

 As described in #16387, this is already defined by mingw and
 consequently defining it in the RTS as well leads to multiple definition
 errors from the RTS linker at runtime.
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16387#comment:16>
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