[GHC] #8778: Typeable TypeNats

[GHC]

#8778: Typeable TypeNats
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        Reporter:  dmcclean                 |            Owner:
            Type:  feature request          |           Status:  new
        Priority:  normal                   |        Milestone:  ⊥
       Component:  Compiler (Type checker)  |          Version:  7.8.1-rc1
      Resolution:                           |         Keywords:
Operating System:  Unknown/Multiple         |     Architecture:
 Type of failure:  None/Unknown             |  Unknown/Multiple
       Test Case:                           |       Difficulty:  Unknown
        Blocking:                           |       Blocked By:
                                            |  Related Tickets:  4385
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Comment (by diatchki):

 I'd be happy to make whatever changes are needed, but could you summarize
 what I should do?   The #9203 ticket just talks about HashMaps, and there
 is a link to Phabricator, but I don't have an account for that...

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8778#comment:11>
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