[GHC] #10675: GHC does not check the functional dependency consistency condition correctly

[GHC]

#10675: GHC does not check the functional dependency consistency condition
correctly
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        Reporter:  simonpj           |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.10.1
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |               Test Case:
      Blocked By:                    |                Blocking:
 Related Tickets:                    |  Differential Revisions:
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Comment (by simonpj):

 Yes, good link!

 I agree with Richard: we just just make these programs illegal.  #9210 is
 a particularly egregious case of what can go wrong otherwise.

 I would like Iavor's opinion before doing this.

 Simon

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10675#comment:8>
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