[GHC] #10742: GHC cannot deduce (irrelevant) reflexive type equality.

[GHC]

#10742: GHC cannot deduce (irrelevant) reflexive type equality.
-------------------------------------+-------------------------------------
        Reporter:  ntc2              |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler (Type    |                 Version:  7.10.2
  checker)                           |                Keywords:  TypeLits
      Resolution:                    |  GADTs
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  GHC rejects       |  Unknown/Multiple
  valid program                      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
-------------------------------------+-------------------------------------

Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"64dba5119fdecb4a5b6a2993919a963d02171783/ghc" 64dba51/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="64dba5119fdecb4a5b6a2993919a963d02171783"
 Test Trac #10742
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10742#comment:2>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler