[GHC] #7313: Impossible happened : CLabel.toInfoLbl stg_newMVarzh

[GHC]

#7313: Impossible happened : CLabel.toInfoLbl stg_newMVarzh
---------------------------------+------------------------------------------
 Reporter:  erikd                |          Owner:                  
     Type:  bug                  |         Status:  new             
 Priority:  normal               |      Component:  Compiler        
  Version:  7.7                  |       Keywords:                  
       Os:  Unknown/Multiple     |   Architecture:  Unknown/Multiple
  Failure:  Building GHC failed  |       Testcase:                  
Blockedby:                       |       Blocking:                  
  Related:                       |  
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Comment(by marlowsd@…):

 commit dc7a9364e9bae25f6d70bad24bb0aa5708cbeaad
 {{{
 Author: Simon Marlow <marlowsd at gmail.com>
 Date:   Tue Oct 23 09:50:33 2012 +0100

     Avoid calling toInfoLbl on the entry label (#7313)

  compiler/cmm/CmmProcPoint.hs |   43
 ++++++++++++++++++++++-------------------
  1 files changed, 23 insertions(+), 20 deletions(-)
 }}}

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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7313#comment:4>
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