[GHC] #4370: Bring back monad comprehensions

[GHC]

#4370: Bring back monad comprehensions
-------------------------------------+-------------------------------------
        Reporter:  simonpj           |                Owner:
            Type:  feature request   |               Status:  new
        Priority:  normal            |            Milestone:  ⊥
       Component:  Compiler          |              Version:  6.12.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
-------------------------------------+-------------------------------------
Changes (by Slavon8):

 * Attachment "d40bd6a41276ebb3795cb50422975481.jpg" removed.

 [http://kidkraftaccessories.tumblr.com/ was]

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/4370>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler