[GHC] #9801: Make listArray fuse

[GHC]

#9801: Make listArray fuse
-------------------------------------+-------------------------------------
              Reporter:  dfeuer      |            Owner:  dfeuer
                  Type:  task        |           Status:  patch
              Priority:  normal      |        Milestone:  7.10.1
             Component:  Core        |          Version:  7.9
  Libraries                          |         Keywords:
            Resolution:              |     Architecture:  Unknown/Multiple
      Operating System:              |       Difficulty:  Moderate (less
  Unknown/Multiple                   |  than a day)
       Type of failure:  Runtime     |       Blocked By:
  performance bug                    |  Related Tickets:
             Test Case:              |
              Blocking:              |
Differential Revisions:  Phab:D474   |
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Comment (by Austin Seipp <austin@…>):

 In [changeset:"bc68ed02e52d8e1c201aff16c4464fd0ca53d0bc/ghc"]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="bc68ed02e52d8e1c201aff16c4464fd0ca53d0bc"
 Make listArray fuse

 Summary: Make listArray fuse with a list producer. Note: if code size
 increases too much, we can fix that with some `RULES`.

 Reviewers: nomeata, hvr, austin, ekmett, simonmar, bgamari

 Reviewed By: bgamari

 Subscribers: bgamari, thomie, carter

 Differential Revision: https://phabricator.haskell.org/D474

 GHC Trac Issues: #9801
 }}}

--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/9801#comment:2>
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