[GHC] #5951: Panic on Malformed instance A => B => C

[GHC]

#5951: Panic on Malformed instance A => B => C
--------------------------------+-------------------------------------------
 Reporter:  br1                 |          Owner:                  
     Type:  bug                 |         Status:  new             
 Priority:  normal              |      Component:  Compiler        
  Version:  7.4.1               |       Keywords:                  
       Os:  Unknown/Multiple    |   Architecture:  Unknown/Multiple
  Failure:  Compile-time crash  |       Testcase:                  
Blockedby:                      |       Blocking:                  
  Related:                      |  
--------------------------------+-------------------------------------------
 instance
       A =>
       B =>
       C where
         foo = undefined

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5951>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler