[GHC] #13598: role annotation for newtype (partially?) ignored?

[GHC]

#13598: role annotation for newtype (partially?) ignored?
-------------------------------------+-------------------------------------
        Reporter:  edsko             |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.1-rc2
      Resolution:  invalid           |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------

Comment (by goldfire):

 It looks like perhaps comment:4 and comment:3 were written concurrently.
 Facundo, does comment:3 adequately answer your question? If you want it
 the paper is [http://cs.brynmawr.edu/~rae/papers/2016/coercible-jfp
 /coercible-jfp.pdf here].

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13598#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler