[GHC] #11203: Kind inference with SigTvs is wrong

GHC ghc-devs at haskell.org
Tue Dec 12 09:30:22 UTC 2017


#11203: Kind inference with SigTvs is wrong
-------------------------------------+-------------------------------------
        Reporter:  goldfire          |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  7.10.2
  checker)                           |
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
                                     |  polykinds/T11203
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by simonpj):

 * status:  new => closed
 * testcase:   => polykinds/T11203
 * resolution:   => fixed


Comment:

 Finally fixed!
 {{{
 T11203.hs:7:24: error:
     • Couldn't match ‘k1’ with ‘k2’
     • In the data declaration for ‘Q’
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11203#comment:12>
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