[GHC] #12499: Support multiple library import libs

[GHC]

#12499: Support multiple library import libs
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        Reporter:  Phyx-             |                Owner:
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  8.4.1
       Component:  Runtime System    |              Version:  8.0.1
  (Linker)                           |
      Resolution:                    |             Keywords:
Operating System:  Windows           |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by Phyx-):

 * milestone:  8.2.1 => 8.4.1


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12499#comment:1>
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