[GHC] #15413: Poor error message when trying to import non-existent class methods

[GHC]

#15413: Poor error message when trying to import non-existent class methods
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        Reporter:                    |                Owner:  (none)
  quasicomputational                 |
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.4.2
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:  module/mod81,
                                     |  mod91
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Changes (by simonpj):

 * status:  new => closed
 * testcase:   => module/mod81, mod91
 * resolution:   => fixed


Comment:

 Good idea, thank you!  And fairly easy to implement.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15413#comment:2>
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