[GHC] #6032: HEAD (7.5.20120421) requires RankNTypes for a rank-2 type

[GHC]

#6032: HEAD (7.5.20120421) requires RankNTypes for a rank-2 type
---------------------------------+------------------------------------------
    Reporter:  dreixel           |       Owner:  simonpj         
        Type:  bug               |      Status:  new             
    Priority:  normal            |   Milestone:  7.8.1           
   Component:  Compiler          |     Version:  7.5             
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
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Comment(by simonpj@…):

 commit 984676d51291ea900cec289599e647de38645405
 {{{
 Author: Simon Peyton Jones <simonpj at microsoft.com>
 Date:   Fri Oct 19 00:54:59 2012 +0100

     Deprecate Rank2Types and PolymorphicComponents, in favour of
 RankNTypes

     We agreed that it's not worth the bother of trying to maintain all
     these distinct flags; RankNTypes will do the job fine.  Trac #6032.

  compiler/main/DynFlags.hs        |   11 ++++-------
  compiler/prelude/PrelRules.lhs   |    2 +-
  compiler/simplCore/OccurAnal.lhs |    2 +-
  compiler/typecheck/TcMType.lhs   |   13 +++----------
  4 files changed, 9 insertions(+), 19 deletions(-)
 }}}

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6032#comment:8>
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