[GHC] #14373: Introduce PTR-tagging for big constructor families

[GHC]

#14373: Introduce PTR-tagging for big constructor families
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        Reporter:  heisenbug         |                Owner:  heisenbug
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.1
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D4267
       Wiki Page:                    |
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Changes (by duog):

 * differential:   => Phab:D4267


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14373#comment:6>
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