[GHC] #15515: Bogus "No instance" error when type families appear in kinds

GHC ghc-devs at haskell.org
Tue Aug 14 17:47:22 UTC 2018


#15515: Bogus "No instance" error when type families appear in kinds
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:  8.8.1
       Component:  Compiler (Type    |              Version:  8.4.3
  checker)                           |             Keywords:  TypeInType,
      Resolution:                    |  TypeFamilies
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Poor/confusing    |  Unknown/Multiple
  error message                      |            Test Case:
      Blocked By:  12564             |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D5068
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by RyanGlScott):

 * status:  new => patch
 * differential:   => Phab:D5068


-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15515#comment:6>
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