Update V8 to version 4.7.56.
commit80820abb213e3b16e6a45989e2edde04e8d5d3a7
authorv8-autoroll <v8-autoroll@chromium.org>
Wed, 16 Sep 2015 16:13:28 +0000 (16 09:13 -0700)
committerCommit bot <commit-bot@chromium.org>
Wed, 16 Sep 2015 16:14:35 +0000 (16 16:14 +0000)
treec1f3f607ab5bb4fed6ec38a2e300599e0494dc56
parentf844c02a175356ddb3c956aab273fc49d96706b4
Update V8 to version 4.7.56.

Summary of changes available at:
https://chromium.googlesource.com/v8/v8/+log/9f345a36..aa06153c

Please follow these instructions for assigning/CC'ing issues:
https://code.google.com/p/v8-wiki/wiki/TriagingIssues

Please close rolling in case of a roll revert:
https://v8-roll.appspot.com/

TBR=hablich@chromium.org,machenbach@chromium.org,yangguo@chromium.org,vogelheim@chromium.org

Review URL: https://codereview.chromium.org/1346163002

Cr-Commit-Position: refs/heads/master@{#349136}
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