[GHC] #12005: Constraint instances not shown in `:info`

[GHC]

#12005: Constraint instances not shown in `:info`
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        Reporter:  Iceland_jack      |                Owner:  (none)
            Type:  bug               |               Status:  patch
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  7.10.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):  Phab:D5182
       Wiki Page:                    |
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Changes (by osa1):

 * status:  new => patch
 * differential:   => Phab:D5182


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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12005#comment:3>
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