[GHC] #11817: Add proper support for weak symbols to the runtime linker

[GHC]

#11817: Add proper support for weak symbols to the runtime linker
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        Reporter:  Phyx-             |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  8.2.1
       Component:  Runtime System    |              Version:  8.1
  (Linker)                           |
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
                                     |  ghci/linking/T3333,
                                     |  rts/T11223/T11223_weak*
      Blocked By:                    |             Blocking:
 Related Tickets:  #11223, #3333     |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by rwbarton):

 Did something happen here already? I can't remember.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11817#comment:5>
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