[GHC] #15987: GHC sometimes not computing open type family application in kind inference

GHC ghc-devs at haskell.org
Sun Dec 2 21:07:56 UTC 2018


#15987: GHC sometimes not computing open type family application in kind inference
-------------------------------------+-------------------------------------
        Reporter:  sheaf             |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.6.2
      Resolution:  duplicate         |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #12088, #12643,   |  Differential Rev(s):
  #14668, #15561                     |
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by RyanGlScott):

 * status:  new => closed
 * resolution:   => duplicate


Comment:

 No worries. To avoid having so many of these sorts of tickets floating
 around on Trac, I think I'll opt to close this one. If we do ever figure
 out a solution to #12088, though, we should make sure to add the program
 from this ticket as a test case, however. (I've added this ticket under
 the "related" field of #12088 to ensure that's more likely to happen.)

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15987#comment:4>
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