[GHC] #11290: T6031: *** Core Lint errors : in result of Common sub-expression ***

[GHC]

#11290: T6031: *** Core Lint errors : in result of Common sub-expression ***
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        Reporter:  thomie            |                Owner:
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.0.1
       Component:  Compiler          |              Version:  7.11
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
                                     |  Unknown/Multiple
 Type of failure:  None/Unknown      |            Test Case:
                                     |  deriving/should_compile/T6031,
                                     |  deriving/should_run/T7931 (WAY=hpc)
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"0579fe99b933384172d19beb6a00dc8a1238101a/ghc" 0579fe9/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="0579fe99b933384172d19beb6a00dc8a1238101a"
 Improve exprIsBottom

 This fixes Trac #11290, by being sligthtly cleverer about finding
 what expressions are bottom.  Actually this might have minor
 other side benefits.
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/11290#comment:10>
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