[turbofan] Inline Object.prototype.__proto__ getter.

[turbofan] Inline Object.prototype.__proto__ getter.

In the JSCallReducer, recognize and inline calls to the __proto__ getter
on the %ObjectPrototype%.

R=yangguo@chromium.org
BUG=chromium:655963
Committed: https://crrev.com/0f4a4ae026944d6932f4cd590c78072f72d5f7ce
Cr-Commit-Position: refs/heads/master@{#40335}

[Benedikt Meurer, 2016-10-14 18:14:01]

The CQ bit was checked by bmeurer@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2016-10-14 18:14:02]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[Benedikt Meurer, 2016-10-14 18:18:51]

Hey Yang,

Here's the follow-up TurboFan version of __proto__ getter for the common case,
i.e. no proxy, access check or hidden prototype involved and we have a
dominating CheckMap w/o any other side effect in between.
Please take a look.

Thanks,
Benedikt

[commit-bot: I haz the power, 2016-10-14 18:42:22]

The CQ bit was unchecked by commit-bot@chromium.org

[commit-bot: I haz the power, 2016-10-14 18:42:23]

Dry run: This issue passed the CQ dry run.

[Yang, 2016-10-17 05:40:26]

On 2016/10/14 18:18:51, Benedikt Meurer wrote:
> Hey Yang,
> 
> Here's the follow-up TurboFan version of __proto__ getter for the common case,
> i.e. no proxy, access check or hidden prototype involved and we have a
> dominating CheckMap w/o any other side effect in between.
> Please take a look.
> 
> Thanks,
> Benedikt

lgtm.

[Benedikt Meurer, 2016-10-17 05:40:36]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2016-10-17 05:40:47]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-10-17 06:28:41]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-10-17 06:29:33]

Description was changed from

==========
[turbofan] Inline Object.prototype.__proto__ getter.

In the JSCallReducer, recognize and inline calls to the __proto__ getter
on the %ObjectPrototype%.

R=yangguo@chromium.org
BUG=chromium:655963
==========

to

==========
[turbofan] Inline Object.prototype.__proto__ getter.

In the JSCallReducer, recognize and inline calls to the __proto__ getter
on the %ObjectPrototype%.

R=yangguo@chromium.org
BUG=chromium:655963

Committed: https://crrev.com/0f4a4ae026944d6932f4cd590c78072f72d5f7ce
Cr-Commit-Position: refs/heads/master@{#40335}
==========

[commit-bot: I haz the power, 2016-10-17 06:29:34]

Patchset 1 (id:??) landed as
https://crrev.com/0f4a4ae026944d6932f4cd590c78072f72d5f7ce
Cr-Commit-Position: refs/heads/master@{#40335}