[GHC] #8456: Control flow optimisations duplicate blocks

[GHC]

#8456: Control flow optimisations duplicate blocks
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        Reporter:  jstolarek                |            Owner:  jstolarek
            Type:  bug                      |           Status:  new
        Priority:  high                     |        Milestone:
       Component:  Compiler                 |          Version:  7.7
      Resolution:                           |         Keywords:
Operating System:  Unknown/Multiple         |     Architecture:
 Type of failure:  Runtime performance bug  |  Unknown/Multiple
       Test Case:                           |       Difficulty:  Unknown
        Blocking:  8275                     |       Blocked By:
                                            |  Related Tickets:
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Comment (by Jan Stolarek <jan.stolarek@…>):

 In [changeset:"1e31b0083597c2c1cf3198c8e8c5736360640f91/testsuite"]:
 {{{
 #!CommitTicketReference repository="testsuite"
 revision="1e31b0083597c2c1cf3198c8e8c5736360640f91"
 Update performance test due to fix for #8456
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8456#comment:9>
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