[GHC] #7445: template-haskell : need a good error message instead of just an unexplained panic

[GHC]

#7445: template-haskell : need a good error message instead of just an unexplained
panic
---------------------------------+------------------------------------------
    Reporter:  erikd             |       Owner:                    
        Type:  bug               |      Status:  merge             
    Priority:  normal            |   Milestone:                    
   Component:  Template Haskell  |     Version:  7.7               
    Keywords:                    |          Os:  Unknown/Multiple  
Architecture:  Unknown/Multiple  |     Failure:  Compile-time crash
  Difficulty:  Unknown           |    Testcase:  th/T7445          
   Blockedby:                    |    Blocking:                    
     Related:                    |  
---------------------------------+------------------------------------------
Changes (by simonpj):

  * status:  new => merge
  * difficulty:  => Unknown
  * testcase:  => th/T7445


-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7445#comment:7>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler