Re: [GHC] #14500: Coercion artifact ‘cobox’ appears in error message

[GHC]

#14500: Coercion artifact ‘cobox’ appears in error message
-------------------------------------+-------------------------------------
        Reporter:  Iceland_jack      |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.2.1
      Resolution:                    |             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 RyanGlScott):

 I'm confused. You explicitly pass `-fprint-explicit-coercions`, and lo and
 behold, coercions appear in error messages. What exactly is the bug here?

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14500#comment:4>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler