[GHC] #14863: QuantifiedConstraints: Can't deduce `c' from `(a, b)' and `a |- b |- c'

GHC ghc-devs at haskell.org
Tue Jun 5 11:31:12 UTC 2018


#14863: QuantifiedConstraints: Can't deduce `c' from `(a, b)' and `a |- b |- c'
-------------------------------------+-------------------------------------
        Reporter:  Iceland_jack      |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.5
      Resolution:  fixed             |             Keywords:
                                     |  QuantifiedConstraints
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:  quantified-
                                     |  constraints/T14863
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by RyanGlScott):

 * testcase:   => quantified-constraints/T14863
 * milestone:   => 8.6.1


-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14863#comment:8>
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