[GHC] #7338: Duplicate type signature not reported

[GHC]

#7338: Duplicate type signature not reported
--------------------------------+-------------------------------------------
    Reporter:  evincarofautumn  |       Owner:  michalt                    
        Type:  bug              |      Status:  patch                      
    Priority:  normal           |   Milestone:                             
   Component:  Compiler         |     Version:  7.4.1                      
    Keywords:                   |          Os:  Unknown/Multiple           
Architecture:  x86              |     Failure:  GHC accepts invalid program
  Difficulty:  Unknown          |    Testcase:                             
   Blockedby:                   |    Blocking:                             
     Related:  #5589            |  
--------------------------------+-------------------------------------------
Changes (by simonpj):

  * difficulty:  => Unknown


Comment:

 Thank you for the patch. As it happens I've already fixed this but been so
 swamped that I have not pushed the change. Sorry about that.  I'll do so
 shortly.  And I'll add your example as an extra test, thank you.

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7338#comment:3>
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