[GHC] #1262: RecursiveDo in Template Haskell (was: mdo in Template Haskell)

[GHC]

#1262: RecursiveDo in Template Haskell
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    Reporter:  philip.weaver@…          |       Owner:                  
        Type:  feature request          |      Status:  new             
    Priority:  normal                   |   Milestone:  _|_             
   Component:  Template Haskell         |     Version:  6.6             
    Keywords:                           |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple         |     Failure:  None/Unknown    
  Difficulty:  Unknown                  |    Testcase:                  
   Blockedby:                           |    Blocking:                  
     Related:                           |  
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Comment(by igloo):

 {{{
 Prelude> :set -XRecursiveDo -XTemplateHaskell
 Prelude> :m + Language.Haskell.TH
 Prelude Language.Haskell.TH> do x <- runQ [| do rec { x <- return y; y <-
 return x }; return () |]; putStrLn (pprint x)

 <interactive>:4:17:
     Exotic statement not (yet) handled by Template Haskell
       [rec { x <- return y;
              y <- return x },
        return ()]
 }}}

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1262#comment:8>
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