[turbofan] Handle ObjectIsReceiver in escape analysis.

[turbofan] Handle ObjectIsReceiver in escape analysis.

This adds handling of {IrOpcode::kObjectIsReceiver} nodes to the escape
status analysis. Such uses are treated as escaping for now until we add
dedicated handling to the escape analysis reducer.

R=bmeurer@chromium.org
TEST=mjsunit/regress/regress-crbug-631027
BUG=chromium:631027
Committed: https://crrev.com/553d5049235d0ecef07ddc29661501cc670cccd8
Cr-Commit-Position: refs/heads/master@{#39205}

[Michael Starzinger, 2016-09-06 11:31:55]

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

[commit-bot: I haz the power, 2016-09-06 11:32:01]

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

[Benedikt Meurer, 2016-09-06 11:32:30]

lgtm

[commit-bot: I haz the power, 2016-09-06 11:54:49]

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

[commit-bot: I haz the power, 2016-09-06 11:54:50]

Dry run: This issue passed the CQ dry run.

[Michael Starzinger, 2016-09-06 11:56:40]

The CQ bit was checked by mstarzinger@chromium.org

[commit-bot: I haz the power, 2016-09-06 11:56:50]

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, 2016-09-06 11:58:48]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-06 11:59:43]

Description was changed from

==========
[turbofan] Handle ObjectIsReceiver in escape analysis.

This adds handling of {IrOpcode::kObjectIsReceiver} nodes to the escape
status analysis. Such uses are treated as escaping for now until we add
dedicated handling to the escape analysis reducer.

R=bmeurer@chromium.org
TEST=mjsunit/regress/regress-crbug-631027
BUG=chromium:631027
==========

to

==========
[turbofan] Handle ObjectIsReceiver in escape analysis.

This adds handling of {IrOpcode::kObjectIsReceiver} nodes to the escape
status analysis. Such uses are treated as escaping for now until we add
dedicated handling to the escape analysis reducer.

R=bmeurer@chromium.org
TEST=mjsunit/regress/regress-crbug-631027
BUG=chromium:631027

Committed: https://crrev.com/553d5049235d0ecef07ddc29661501cc670cccd8
Cr-Commit-Position: refs/heads/master@{#39205}
==========

[commit-bot: I haz the power, 2016-09-06 11:59:43]

Patchset 1 (id:??) landed as
https://crrev.com/553d5049235d0ecef07ddc29661501cc670cccd8
Cr-Commit-Position: refs/heads/master@{#39205}