[GHC] #14609: Per-instance UndecidableInstances

[GHC]

#14609: Per-instance UndecidableInstances
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        Reporter:  ryanreich         |                Owner:  (none)
            Type:  feature request   |               Status:  new
        Priority:  low               |            Milestone:
       Component:  Compiler          |              Version:  8.2.2
      Resolution:                    |             Keywords:
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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Comment (by simonpj):

 I'm all for a per-instance flag, if someone would like to do the leg-work.
 Not hard, I think.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14609#comment:2>
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