Merge r10334 and r10273 from the bleeding_edge to the 3.7 branch.

Ensure that store buffer filtering hash sets are cleared after StoreBuffer::Filter.

R=erik.corry@gmail.com

Review URL: http://codereview.chromium.org/8964025
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Do not delay sweeping of pages that are completely free.

R=erik.corry@gmail.com

Review URL: http://codereview.chromium.org/8997004
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Review URL: http://codereview.chromium.org/9159001

git-svn-id: http://v8.googlecode.com/svn/branches/3.7@10359 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
5 files changed