[GHC] #1006: 'impossible' happened in reportNoInstance?

[GHC]

#1006: 'impossible' happened in reportNoInstance?
-------------------------------------+--------------------------------------
 Reporter:  SamB                     |          Owner:         
     Type:  bug                      |         Status:  closed 
 Priority:  normal                   |      Milestone:         
Component:  Compiler (Type checker)  |        Version:  6.7    
 Severity:  normal                   |     Resolution:  fixed  
 Keywords:                           |     Difficulty:  Unknown
 Testcase:  tcfail171                |   Architecture:  Unknown
       Os:  Unknown                  |  
-------------------------------------+--------------------------------------
Changes (by simonpj):

  * resolution:  => fixed
  * status:  new => closed

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1006>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler