[GHC] #15409: Quantified constraints half-work with equality constraints

[GHC]

#15409: Quantified constraints half-work with equality constraints
-------------------------------------+-------------------------------------
        Reporter:  AntC              |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.4.3
      Resolution:                    |             Keywords:
                                     |  QuantifiedConstraints
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  15359             |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by Phyx-):

 * os:  Windows => Unknown/Multiple


-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15409#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler