[GHC] #5668: panic: updInertSet

[GHC]

#5668: panic: updInertSet
---------------------------------+------------------------------------------
    Reporter:  simonmar          |        Owner:  dimitris          
        Type:  bug               |       Status:  new               
    Priority:  highest           |    Milestone:  7.4.1             
   Component:  Compiler          |      Version:  7.2.1             
    Keywords:                    |     Testcase:                    
   Blockedby:                    |   Difficulty:                    
          Os:  Unknown/Multiple  |     Blocking:                    
Architecture:  Unknown/Multiple  |      Failure:  Compile-time crash
---------------------------------+------------------------------------------

Comment(by dimitris@…):

 commit e4d87e140697bcb380cc51a5aee598409930281e
 {{{
 Author: Dimitrios Vytiniotis <dimitris at microsoft.com>
 Date:   Tue Nov 29 19:15:17 2011 +0000

     Insufficient rewriting during flattening. This fixes #5668.

  compiler/typecheck/TcCanonical.lhs |   49
 ++++++++++++++++++++++++++++++++---
  1 files changed, 44 insertions(+), 5 deletions(-)
 }}}

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5668#comment:2>
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