[GHC] #8935: Obscure linker bug leads to crash in GHCi

[GHC]

#8935: Obscure linker bug leads to crash in GHCi
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        Reporter:  simonmar          |            Owner:  trommler
            Type:  bug               |           Status:  patch
        Priority:  high              |        Milestone:  7.8.3
       Component:  Runtime System    |          Version:  7.8.1-rc2
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  GHCi crash        |       Difficulty:  Rocket Science
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by simonmar):

 @dagit: that's right, the point of that test is to show that a library
 loaded with `RTLD_LOCAL` is used to satisfy a dependency of another
 library loaded with `RTLD_LOCAL`.  The dependency is expressed by the
 `DT_NEEDED` tag, and is set up when you link the library.  @trommler's
 point earlier was that if we use `RTLD_LOCAL` then we'll need to ensure
 that all the dependencies are specified with `DT_NEEDED` tags.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8935#comment:49>
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