#2307: Poor warning for conflicting functional dependencies
-----------------------------------------+----------------------------------
 Reporter:  NeilMitchell                 |          Owner:             
     Type:  bug                          |         Status:  closed     
 Priority:  normal                       |      Milestone:  6.10 branch
Component:  Compiler                     |        Version:  6.8.2      
 Severity:  normal                       |     Resolution:  fixed      
 Keywords:                               |     Difficulty:  Unknown    
 Testcase:  typecheck/should_fail/T2307  |   Architecture:  Unknown    
       Os:  Unknown                      |  
-----------------------------------------+----------------------------------
Changes (by simonpj):

  * testcase:  => typecheck/should_fail/T2307
  * status:  new => closed
  * resolution:  => fixed

Comment:

 Excellent, thanks for refining the test case.  That made it easy.

 In fact, nubbing is the right thing, because `FunDeps.badFunDeps` looks
 through the fundeps one by one; in this case there are two, and the same
 instance conflicts with both.

 Fixed by
 {{{
 Tue Jul  1 17:58:30 BST 2008  [EMAIL PROTECTED]
   * Fix Trac #2307: need to nub bad fundep reports
 }}}
 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2307#comment:2>
GHC <http://www.haskell.org/ghc/>
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