[GHC] #15450: Inconsistency w.r.t. coverage checking warnings for EmptyCase under unsatisfiable constraints

[GHC]

#15450: Inconsistency w.r.t. coverage checking warnings for EmptyCase under
unsatisfiable constraints
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.4.3
      Resolution:  fixed             |             Keywords:
                                     |  PatternMatchWarnings
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Poor/confusing    |  Unknown/Multiple
  error message                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #12957            |  Differential Rev(s):  Phab:D5017
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by bgamari):

 * status:  patch => closed
 * resolution:   => fixed


Comment:

 Merged to `ghc-8.6` with ebd773a09be134157880eaa1099f4b5d30a67aac.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15450#comment:8>
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