[GHC] #11319: ImpredicativeTypes cause trouble (affects deriving of Traversable)

GHC ghc-devs at haskell.org
Wed Dec 30 23:33:24 UTC 2015


#11319: ImpredicativeTypes cause trouble (affects deriving of Traversable)
-------------------------------------+-------------------------------------
        Reporter:  Iceland_jack      |                Owner:
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  7.11
  checker)                           |             Keywords:
      Resolution:                    |  ImpredicativeTypes
Operating System:  Linux             |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by Iceland_jack):

 * Attachment "Error.log" removed.

 ghc-7.11.20151226 -v -ignore-dot-ghci --interactive /tmp/Error2.hs &>
 /tmp/Error2.log

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11319>
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