X87: [turbofan] Switch passing of new.target to register.

X87: [turbofan] Switch passing of new.target to register.

  port 7c45b005296fc326490a0703add50505518aaa51 (r32203)

  original commit message:
  This passes the new.target value in a register instead of through a
  side-channel via the construct stub. Note that only TurboFan code uses
  the register value so far, but unoptimized code will be switched soon.

BUG=

Committed: https://crrev.com/1266842b3b1e091d2e04c9769c29fd8c5849e260
Cr-Commit-Position: refs/heads/master@{#32240}

[zhengxing.li, 2015-11-25 03:53:58]

zhengxing.li@intel.com changed reviewers:
+ chunyang.dai@intel.com, mstarzinger@chromium.org, weiliang.lin@intel.com

[Weiliang, 2015-11-25 04:05:18]

The CQ bit was checked by weiliang.lin@intel.com

[Weiliang, 2015-11-25 04:05:18]

lgtm

[commit-bot: I haz the power, 2015-11-25 04:05:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1477663002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1477663002/1

[commit-bot: I haz the power, 2015-11-25 04:31:28]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-11-25 04:31:50]

Patchset 1 (id:??) landed as
https://crrev.com/1266842b3b1e091d2e04c9769c29fd8c5849e260
Cr-Commit-Position: refs/heads/master@{#32240}

[Michael Starzinger, 2015-11-25 09:04:44]

LGTM. Thanks!