[GHC] #12523: Constructor info tables generated by GHCi don't return tagged pointers

[GHC]

#12523: Constructor info tables generated by GHCi don't return tagged pointers
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        Reporter:  mniip             |                Owner:  mniip
            Type:  bug               |               Status:  merge
        Priority:  normal            |            Milestone:  8.0.2
       Component:  GHCi              |              Version:  7.10.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  GHCi crash        |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D2473
       Wiki Page:                    |
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Comment (by simonmar):

 Given that it doesn't solve the whole problem, and the problem that it
 does solve needs `unsafeCoerce` to trigger it, I don't think we should
 merge it.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12523#comment:11>
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