[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:
            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:
      Blocked By:                    |             Blocking:
 Related Tickets:  #11223            |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Phyx-):

 Some test have already been defined in `testsuite\tests\rts\T11223\all.T`
 but they may need to be modified slightly.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11817#comment:1>
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