[GHC] #16116: Explicit foralls in associated type family equations are oblivious to class-bound variables

GHC ghc-devs at haskell.org
Tue Jan 15 21:06:17 UTC 2019


#16116: Explicit foralls in associated type family equations are oblivious to
class-bound variables
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.8.1
       Component:  Compiler          |              Version:  8.7
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  GHC rejects       |            Test Case:
  valid program                      |  rename/should_compile/T16116a,
                                     |  rename/should_fail/T16116b
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |  https://gitlab.haskell.org/ghc/ghc/merge_requests/110
-------------------------------------+-------------------------------------
Changes (by RyanGlScott):

 * status:  patch => closed
 * testcase:   => rename/should_compile/T16116a, rename/should_fail/T16116b
 * resolution:   => fixed
 * milestone:   => 8.8.1


Comment:

 Landed in
 https://gitlab.haskell.org/ghc/ghc/commit/e63518f5d6a93be111f9108c0990a1162f88d615.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16116#comment:8>
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