[GHC] #10930: missing empty-Enumeration and out-of-range warning for `Natural`

[GHC]

#10930: missing empty-Enumeration and out-of-range warning for `Natural`
-------------------------------------+-------------------------------------
        Reporter:  hvr               |                Owner:  hvr
            Type:  bug               |               Status:  new
        Priority:  low               |            Milestone:  8.2.1
       Component:  Compiler          |              Version:  7.10.2
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect         |  Unknown/Multiple
  warning at compile-time            |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #7881, #10929     |  Differential Rev(s):  Phab:D1306
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by thoughtpolice):

 * milestone:  8.0.1 => 8.2.1


Comment:

 Punting to GHC 8.2.1 (we aren't going to introduce new warnings in a minor
 release).

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10930#comment:4>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler