[commit: packages/containers] master: Merge pull request #411 from haskell/revert-410-revert-408-bugfix_394 (8168eee)

[git at git.haskell.org]

Repository : ssh://git@git.haskell.org/containers

On branch  : master
Link       : http://git.haskell.org/packages/containers.git/commitdiff/8168eeedf18cafb280e05fefb3eb41a4e4c09efc

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commit 8168eeedf18cafb280e05fefb3eb41a4e4c09efc
Merge: 059eaae a22f348
Author: wren romano <wren at community.haskell.org>
Date:   Mon Feb 20 11:14:55 2017 -0800

    Merge pull request #411 from haskell/revert-410-revert-408-bugfix_394
    
    Revert "Revert "Optimize IntMap's withoutKeys", in order to squash things first (I hope)"



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8168eeedf18cafb280e05fefb3eb41a4e4c09efc
 Data/IntMap/Internal.hs | 88 +++++++++++++++++++++++++++++--------------------
 1 file changed, 52 insertions(+), 36 deletions(-)