[GHC] #7989: "No constructor has all these fields" message can be improved

[GHC]

#7989: "No constructor has all these fields" message can be improved
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  Reporter:  akio                         |          Owner:                  
      Type:  feature request              |         Status:  closed          
  Priority:  normal                       |      Milestone:                  
 Component:  Compiler                     |        Version:  7.7             
Resolution:  fixed                        |       Keywords:                  
        Os:  Unknown/Multiple             |   Architecture:  Unknown/Multiple
   Failure:  Other                        |     Difficulty:  Unknown         
  Testcase:  typecheck/should_fail/T7989  |      Blockedby:                  
  Blocking:                               |        Related:                  
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Changes (by simonpj):

  * status:  patch => closed
  * testcase:  => typecheck/should_fail/T7989
  * resolution:  => fixed


Comment:

 Thank you!  I committed and added some extra comments and a test.

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7989#comment:11>
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