[GHC] #5941: Add compilation stage plugins

[GHC]

#5941: Add compilation stage plugins
---------------------------------+------------------------------------------
    Reporter:  tibbe             |       Owner:                  
        Type:  feature request   |      Status:  new             
    Priority:  normal            |   Milestone:  7.8.1           
   Component:  Compiler          |     Version:  7.4.1           
    Keywords:                    |          Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |     Failure:  None/Unknown    
  Difficulty:  Unknown           |    Testcase:                  
   Blockedby:                    |    Blocking:                  
     Related:                    |  
---------------------------------+------------------------------------------
Changes (by igloo):

  * difficulty:  => Unknown
  * milestone:  => 7.8.1


Comment:

 To clarify, you're asking for something like
 http://www.haskell.org/ghc/docs/7.6.1/html/users_guide/compiler-
 plugins.html but that allows you to hook in at an earlier stage, before
 the conversion to core, right?

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5941#comment:1>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler