[GHC] #14989: CBE pass 2 invalidates proc points

[GHC]

#14989: CBE pass 2 invalidates proc points
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        Reporter:  sgraf             |                Owner:  (none)
            Type:  bug               |               Status:  new
        Priority:  normal            |            Milestone:
       Component:  Compiler          |              Version:  8.5
      Resolution:                    |             Keywords:  llvm
Operating System:  Unknown/Multiple  |         Architecture:  x86_64
 Type of failure:  Compile-time      |  (amd64)
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:  12915 14226       |  Differential Rev(s):  Phab:D4417
       Wiki Page:                    |
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Comment (by Ben Gamari <ben@…>):

 In [changeset:"78ff6e541d33d2d2caf52d2cb4578cd7b745d282/ghc"
 78ff6e54/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="78ff6e541d33d2d2caf52d2cb4578cd7b745d282"
 Revert "CmmPipeline: add a second pass of CmmCommonBlockElim"

 This reverts commit d5c4d46a62ce6a0cfa6440344f707136eff18119.

 Please see #14989 for details.

 Test Plan: ./validate

 Reviewers: bgamari, simonmar

 Subscribers: thomie, carter

 GHC Trac Issues: #14989

 Differential Revision: https://phabricator.haskell.org/D4577
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14989#comment:10>
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