[GHC] #14813: EmptyCase thinks pattern match involving type family is not exhaustive, when it actually is

GHC ghc-devs at haskell.org
Fri Sep 28 15:20:54 UTC 2018


#14813: EmptyCase thinks pattern match involving type family is not exhaustive,
when it actually is
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.8.1
       Component:  Compiler          |              Version:  8.2.2
      Resolution:  fixed             |             Keywords:
                                     |  PatternMatchWarnings
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Incorrect         |  Unknown/Multiple
  error/warning at compile-time      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D5094
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by monoidal):

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


-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14813#comment:11>
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