[GHC] #15044: Option to output instance resolution process

[GHC]

#15044: Option to output instance resolution process
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        Reporter:  lyxia             |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.2.2
      Resolution:                    |             Keywords:
                                     |  debug,typeclasses
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #12687            |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by mpickering):

 * related:   => #12687


Comment:

 Perhaps `-ddump-cs-trace`?

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15044#comment:1>
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