[GHC] #9157: cmm common block not eliminated

[GHC]

#9157: cmm common block not eliminated
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        Reporter:  wojteknar         |                   Owner:
            Type:  bug               |                  Status:  new
        Priority:  normal            |               Milestone:
       Component:  Compiler          |                 Version:  7.8.2
      Resolution:                    |                Keywords:
Operating System:  Unknown/Multiple  |            Architecture:
 Type of failure:  Other             |  Unknown/Multiple
      Blocked By:                    |               Test Case:
 Related Tickets:                    |                Blocking:
                                     |  Differential Revisions:
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Comment (by jstolarek):

 Replying to [comment:3 jstolarek]:
 >
 [https://github.com/ghc/ghc/blob/master/compiler/cmm/CmmCommonBlockElim.hs#L62
 We check these two block for equality], except that this time we don't
 ignore the labels and other unique identifiers (eg.
 [https://github.com/ghc/ghc/blob/master/compiler/cmm/CmmCommonBlockElim.hs#L148
 here]).
 These links are no longer accurate because I didn't link to a particular
 commit. Here's a fixed version:

 [https://github.com/ghc/ghc/blob/b8b8d190525b073aa44f7a5bda555e25ea7ef5d6/compiler/cmm/CmmCommonBlockElim.hs#L62
 We check these two block for equality], except that this time we don't
 ignore the labels and other unique identifiers (eg.
 [https://github.com/ghc/ghc/blob/b8b8d190525b073aa44f7a5bda555e25ea7ef5d6/compiler/cmm/CmmCommonBlockElim.hs#L148
 here]).

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9157#comment:9>
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