Re: [GHC] #10041: Instance signatures (InstanceSigs) don't accept '[] :: [ĸ]

GHC ghc-devs at haskell.org
Fri Feb 6 15:16:59 UTC 2015


#10041: Instance signatures (InstanceSigs) don't accept '[] :: [ĸ]
-------------------------------------+-------------------------------------
        Reporter:  Iceland_jack      |                   Owner:
            Type:  bug               |                  Status:  closed
        Priority:  low               |               Milestone:
       Component:  Compiler (Type    |                 Version:  7.8.3
  checker)                           |                Keywords:
      Resolution:  fixed             |            Architecture:  x86
Operating System:  Linux             |               Test Case:
 Type of failure:  GHC rejects       |  polykinds/T10041
  valid program                      |                Blocking:
      Blocked By:                    |  Differential Revisions:
 Related Tickets:  #9582 #9833       |
-------------------------------------+-------------------------------------
Changes (by simonpj):

 * status:  new => closed
 * testcase:   => polykinds/T10041
 * resolution:   => fixed


Comment:

 Happily, some work I did on instance signatures (yes it was #9582) seems
 to have cured this. At least, HEAD is fine.  And the 7.10 branch is fine
 too.

 Thanks for reporting.  I've added a regression tests.

 Simon

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10041#comment:7>
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