[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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Comment (by Krzysztof Gogolewski <krz.gogolewski@…>):

 In [changeset:"21efbc7599e39ec93b8b13b7d7b84811226e6f6f/ghc"
 21efbc75/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="21efbc7599e39ec93b8b13b7d7b84811226e6f6f"
 GHCi should not filter instances involving cTuples

 Summary: See the new T12005 test case for an example of this.

 Test Plan: make TEST=T12005

 Reviewers: bgamari, osa1

 Reviewed By: osa1

 Subscribers: osa1, rwbarton, carter

 GHC Trac Issues: #12005

 Differential Revision: https://phabricator.haskell.org/D5182
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/12005#comment:4>
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