[GHC] #15471: Polymorphism, typed splices and type inference don't mix

GHC ghc-devs at haskell.org
Tue Oct 30 16:30:23 UTC 2018


#15471: Polymorphism, typed splices and type inference don't mix
-------------------------------------+-------------------------------------
        Reporter:  mpickering        |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.8.1
       Component:  Template Haskell  |              Version:  8.4.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D5286
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by mpickering):

 * differential:   => Phab:D5286


Comment:

 I attempted a patch: https://phabricator.haskell.org/D5286

 I will add a note once it's confirmed that this is the right approach but
 it correctly deals with the examples in the ticket.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15471#comment:16>
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