[GHC] #11196: TypeInType performance regressions

[GHC]

#11196: TypeInType performance regressions
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        Reporter:  goldfire          |                Owner:
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.0.2
       Component:  Compiler          |              Version:  7.11
      Resolution:                    |             Keywords:  TypeInType
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by bgamari):

 > With the forthcoming support for pattern synonyms in TH (not for 8.0!
 but likely for 8.2)
 Given how quickly osa1 seems to be moving on unboxed sums it's entirely
 possible that we will have proper unpacking by 8.2 (at least I have my
 fingers crossed).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11196#comment:15>
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