[GHC] #5746: -Werror should wait until type-checking is done

[GHC]

#5746: -Werror should wait until type-checking is done
-------------------------------+--------------------------------------------
  Reporter:  lerkok            |          Owner:                  
      Type:  feature request   |         Status:  closed          
  Priority:  normal            |      Milestone:  7.2.1           
 Component:  Compiler          |        Version:  7.2.1           
Resolution:  fixed             |       Keywords:                  
        Os:  Unknown/Multiple  |   Architecture:  Unknown/Multiple
   Failure:  None/Unknown      |     Difficulty:  Unknown         
  Testcase:                    |      Blockedby:                  
  Blocking:                    |        Related:                  
-------------------------------+--------------------------------------------

Comment(by simonpj):

 I think the author wanted both type error and warning; but generally GHC
 suppresses warnings if there are any type errors.

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5746#comment:2>
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