[GHC] #3951: Unknown symbol error when ghci tries to load package scion

[GHC]

#3951: Unknown symbol error when ghci tries to load package scion
-------------------------+--------------------------------------------------
    Reporter:  greenrd   |        Owner:              
        Type:  bug       |       Status:  new         
    Priority:  normal    |    Milestone:  6.12.3      
   Component:  Compiler  |      Version:  6.12.1      
    Keywords:            |   Difficulty:              
          Os:  Linux     |     Testcase:              
Architecture:  x86       |      Failure:  None/Unknown
-------------------------+--------------------------------------------------

Comment(by simonmar):

 After grabbing the git repo:

 {{{
 $ git checkout devel
 error: pathspec 'devel' did not match any file(s) known to git.
 }}}

 I admit to not possessing a clue about git, what has gone wrong here?

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3951#comment:5>
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