[GHC] #10087: DefaultSignatures: error message mentions internal name

[GHC]

#10087: DefaultSignatures: error message mentions internal name
-------------------------------------+-------------------------------------
        Reporter:  andreas.abel      |                   Owner:
            Type:  feature request   |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler (Type    |                 Version:  7.8.4
  checker)                           |                Keywords:
      Resolution:                    |            Architecture:
Operating System:  Unknown/Multiple  |  Unknown/Multiple
 Type of failure:  Other             |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by andreas.abel):

 I see. You get the error when using the default implementation.

 {{{#!hs
 test :: D -> Bool
 test d = reflexive d
 }}}

 {{{
     No instance for (Eq D) arising from a use of ‘reflexive’
     In the expression: reflexive d
     In an equation for ‘test’: test d = reflexive d
 }}}

 I agree this would be the most consistent behavior.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10087#comment:2>
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