Re: [GHC] #8466: Aggregate “ambiguous import” errors for the same name

[GHC]

#8466: Aggregate “ambiguous import” errors for the same name
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        Reporter:  nomeata           |            Owner:
            Type:  feature request   |           Status:  new
        Priority:  normal            |        Milestone:
       Component:  Compiler          |          Version:  7.6.3
      Resolution:                    |         Keywords:
Operating System:  Unknown/Multiple  |     Architecture:  Unknown/Multiple
 Type of failure:  None/Unknown      |       Difficulty:  Unknown
       Test Case:                    |       Blocked By:
        Blocking:                    |  Related Tickets:
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Comment (by nomeata):

 I was planning to do the aggregation not inside `ErrMsg`, but rather have
 a `groupAndSort` function that returns `[[ErrMsg]]`. Anyways, I find it
 cleaner to start from cleaned-up code, independent of whether my changes
 would then take the same form.

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8466#comment:7>
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