[GHC] #14226: Common Block Elimination pass doesn't eliminate common blocks

[GHC]

#14226: Common Block Elimination pass doesn't eliminate common blocks
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        Reporter:  bgamari           |                Owner:  michalt
            Type:  bug               |               Status:  new
        Priority:  high              |            Milestone:  8.8.1
       Component:  Compiler          |              Version:  8.2.1
  (CodeGen)                          |             Keywords:  newcomer,
      Resolution:                    |  CodeGen
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  #9157, #14754,    |  Differential Rev(s):  Phab:D3973,
  #14989                             |  Phab:D3999
       Wiki Page:                    |
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Changes (by AndreasK):

 * related:  #9157, #14754 => #9157, #14754, #14989


Comment:

 For anyone wondering this has been reverted because of issues with
 ProcPoint invariants.

 See #14989

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14226#comment:35>
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