[GHC] #1567: too little information from error message when matching types with same unqualified name fails

[GHC]

#1567: too little information from error message when matching types with same
unqualified name fails
--------------------------+-------------------------------------------------
  Reporter:  guest        |          Owner:                                   
      Type:  bug          |         Status:  new                              
  Priority:  low          |      Milestone:  6.8                              
 Component:  Compiler     |        Version:  6.6.1                            
  Severity:  minor        |       Keywords:  error message qualified name type
Difficulty:  Easy (1 hr)  |             Os:  Multiple                         
  Testcase:               |   Architecture:  Multiple                         
--------------------------+-------------------------------------------------
{{{

     Couldn't match expected type `Name' against inferred type `Name'
       Expected type: RegExp Name -> RegExp Name
       Inferred type: RegExp Name -> RegExp Name
     In the expression: (packWithMod m) (Literal n)
     In the definition of `cp2regex':
         cp2regex (TagName n m) = (packWithMod m) (Literal n)

 }}}

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1567>
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