[GHC] #3170: -fregs-graph: GraphOps.coalesceNodes: can't coalesce the same node.

[GHC]

#3170: -fregs-graph: GraphOps.coalesceNodes: can't coalesce the same node.
---------------------------------+------------------------------------------
    Reporter:  igloo             |        Owner:  benl            
        Type:  bug               |       Status:  assigned        
    Priority:  high              |    Milestone:  6.12.1          
   Component:  Compiler          |      Version:  6.10.2          
    Severity:  normal            |   Resolution:                  
    Keywords:                    |   Difficulty:  Unknown         
    Testcase:                    |           Os:  Unknown/Multiple
Architecture:  Unknown/Multiple  |  
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Changes (by benl):

  * status:  new => assigned
  * owner:  => benl

-- 
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3170#comment:1>
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