[GHC] #2901: GHC crashes with "impossible happened ... RnEnv.lookupImportedName" if using DisambiguateRecordFields and qualifiers

[GHC]

#2901: GHC crashes with "impossible happened ... RnEnv.lookupImportedName" if
using DisambiguateRecordFields and qualifiers
-----------------------------------------+----------------------------------
    Reporter:  spookylukey               |        Owner:  igloo  
        Type:  merge                     |       Status:  new    
    Priority:  normal                    |    Milestone:         
   Component:  Compiler                  |      Version:  6.8.2  
    Severity:  normal                    |   Resolution:         
    Keywords:                            |   Difficulty:  Unknown
    Testcase:  rename/should_fail/T2901  |           Os:  Linux  
Architecture:  Unknown/Multiple          |  
-----------------------------------------+----------------------------------
Changes (by simonpj):

  * testcase:  => rename/should_fail/T2901
  * difficulty:  => Unknown
  * type:  bug => merge
  * owner:  => igloo

Comment:

 Fixed by
 {{{
 Tue Dec 30 07:04:45 PST 2008  simonpj at microsoft.com
   * Refactor RnEnv to fix Trac #2901
 }}}
 Pls merge

 Simon

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2901#comment:2>
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