[GHC] #14883: QuantifiedConstraints don't kick in when used in TypeApplications

GHC ghc-devs at haskell.org
Tue Jun 19 13:46:10 UTC 2018


#14883: QuantifiedConstraints don't kick in when used in TypeApplications
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  8.5
  checker)                           |             Keywords:
      Resolution:                    |  QuantifiedConstraints
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |            Test Case:
      Blocked By:  15290             |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by RyanGlScott):

 * blockedby:   => 15290


Comment:

 It turns out the original program now panics due to #15290, so that ticket
 is blocking this one.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14883#comment:5>
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