[GHC] #1451: Provide way to show the origin of a constraint

[GHC]

#1451: Provide way to show the origin of a constraint
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    Reporter:  iampure@…                |       Owner:                  
        Type:  feature request          |      Status:  new             
    Priority:  normal                   |   Milestone:  _|_             
   Component:  Compiler (Type checker)  |     Version:  6.6.1           
    Keywords:                           |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple         |     Failure:  None/Unknown    
  Difficulty:  Unknown                  |    Testcase:                  
   Blockedby:                           |    Blocking:                  
     Related:                           |  
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Changes (by morabbin):

  * failure:  => None/Unknown


Comment:

 Bump; still an interesting feature request?

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1451#comment:6>
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