[GHC] #13276: Unboxed sums are not Typeable

[GHC]

#13276: Unboxed sums are not Typeable
-------------------------------------+-------------------------------------
        Reporter:  Ben Gamari        |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  8.4.1
       Component:  Compiler          |              Version:  8.0.1
      Resolution:                    |             Keywords:  typeable
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #13261            |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by Ben Gamari):

 * related:   => #13261


Comment:

 One possible solution to this would be to move `TyCon` generation wholly
 or in part back to the solver, as discussed in #13261.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13276#comment:1>
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