[GHC] #8766: length [Integer] is twice as slow but length [Int] is 10 times faster

[GHC]

#8766: length [Integer] is twice as slow but length [Int] is 10 times faster
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        Reporter:  George                   |            Owner:  nomeata
            Type:  bug                      |           Status:  new
        Priority:  normal                   |        Milestone:  7.8.1
       Component:  Compiler                 |          Version:  7.8.1-rc1
      Resolution:                           |         Keywords:
Operating System:  Unknown/Multiple         |     Architecture:
 Type of failure:  Runtime performance bug  |  Unknown/Multiple
       Test Case:                           |       Difficulty:  Unknown
        Blocking:                           |       Blocked By:
                                            |  Related Tickets:
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Comment (by Joachim Breitner <mail@…>):

 In [changeset:"f28ee96d7c246f78d5e8cb9c853f417e54ff3d91/base"]:
 {{{
 #!CommitTicketReference repository="base"
 revision="f28ee96d7c246f78d5e8cb9c853f417e54ff3d91"
 Wrong bug number

 the previous commit added a testcase for #8766, not #8374 -- too many
 tabs open.
 }}}

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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/8766#comment:11>
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