[GHC] #14932: DeriveAnyClass produces unjustifiably untouchable unification variables

GHC ghc-devs at haskell.org
Thu Mar 29 15:47:12 UTC 2018


#14932: DeriveAnyClass produces unjustifiably untouchable unification variables
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.4.2
       Component:  Compiler (Type    |              Version:  8.4.1
  checker)                           |
      Resolution:  fixed             |             Keywords:  deriving
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  GHC rejects       |            Test Case:
  valid program                      |  deriving/should_compile/T14932
      Blocked By:                    |             Blocking:
 Related Tickets:  #13272, #14933    |  Differential Rev(s):  Phab:D4507
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by bgamari):

 * status:  merge => closed
 * resolution:   => fixed


Comment:

 Merged to `ghc-8.4` with d8dbe2936c923471a13e214113b0e43222e95592.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14932#comment:8>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler


More information about the ghc-tickets mailing list