[GHC] #16048: Show Instance for IOException discards error code

[GHC]

#16048: Show Instance for IOException discards error code
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        Reporter:  andrewthad        |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.6.3
      Resolution:                    |             Keywords:  newcomer
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by bgamari):

 * keywords:   => newcomer


Comment:

 The error code sounds to me like a reasonable thing to include. Patches
 welcome!

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/16048#comment:1>
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