Reland of "[Turbofan] Fix perf regression (patchset #1 id:1 of https://codereview.chromium.org/14121

Reland of "[Turbofan] Fix perf regression (patchset #1 id:1 of
https://codereview.chromium.org/1412123009/ )"

This reverts commit 5308a999eb3540c3ca19d4ba08d788a4970431e8.

BUG=chromium:546416
LOG=N

Committed: https://crrev.com/109f856536c89de7ea6160f4d84633fb4788b9c2
Cr-Commit-Position: refs/heads/master@{#31581}

[Mircea Trofin, 2015-10-26 15:58:19]

Description was changed from

==========
Revert "Revert of [Turbofan] Fix perf regression (patchset #1 id:1 of
https://codereview.chromium.org/1412123009/ )"

This reverts commit 5308a999eb3540c3ca19d4ba08d788a4970431e8.

BUG=
==========

to

==========
Revert "Revert of [Turbofan] Fix perf regression (patchset #1 id:1 of
https://codereview.chromium.org/1412123009/ )"

This reverts commit 5308a999eb3540c3ca19d4ba08d788a4970431e8.

BUG=chromium:546416
LOG=N
==========

[Mircea Trofin, 2015-10-26 15:58:20]

mtrofin@chromium.org changed reviewers:
+ bmeurer@chromium.org, jarin@chromium.org

[Benedikt Meurer, 2015-10-26 16:08:22]

Description was changed from

==========
Revert "Revert of [Turbofan] Fix perf regression (patchset #1 id:1 of
https://codereview.chromium.org/1412123009/ )"

This reverts commit 5308a999eb3540c3ca19d4ba08d788a4970431e8.

BUG=chromium:546416
LOG=N
==========

to

==========
Reland of "[Turbofan] Fix perf regression (patchset #1 id:1 of
https://codereview.chromium.org/1412123009/ )"

This reverts commit 5308a999eb3540c3ca19d4ba08d788a4970431e8.

BUG=chromium:546416
LOG=N
==========

[Benedikt Meurer, 2015-10-26 16:08:26]

LGTM.

[Mircea Trofin, 2015-10-26 16:11:09]

The CQ bit was checked by mtrofin@chromium.org

[commit-bot: I haz the power, 2015-10-26 16:11:21]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1424653004/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1424653004/1

[commit-bot: I haz the power, 2015-10-26 17:40:38]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-26 17:40:57]

Patchset 1 (id:??) landed as
https://crrev.com/109f856536c89de7ea6160f4d84633fb4788b9c2
Cr-Commit-Position: refs/heads/master@{#31581}