[GHC] #3851: type family does not get expanded in ghc-6.12.1

[GHC]

#3851: type family does not get expanded in ghc-6.12.1
-------------------------------------------------+--------------------------
  Reporter:  kosmikus                            |          Owner:                  
      Type:  bug                                 |         Status:  closed          
  Priority:  normal                              |      Milestone:  7.0.1           
 Component:  Compiler (Type checker)             |        Version:  6.12.1          
Resolution:  fixed                               |       Keywords:                  
  Testcase:  indexed-types/should_compile/T3851  |      Blockedby:                  
Difficulty:                                      |             Os:  Unknown/Multiple
  Blocking:                                      |   Architecture:  Unknown/Multiple
   Failure:  GHC rejects valid program           |  
-------------------------------------------------+--------------------------

Comment(by simonpj):

 Johan reports today that multirec compiles fine with the GHC 7.0 release
 candidate.

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3851#comment:6>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler