[turbofan] Handle StringCharCodeAt in escape analysis.

[turbofan] Handle StringCharCodeAt in escape analysis.

This adds handling of {IrOpcode::kStringCharCodeAt} 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
BUG=chromium:649492
Committed: https://chromium.googlesource.com/v8/v8/+/08a441b309d00572e650c020e8a3c45390aa459d

[Michael Starzinger, 2016-09-23 11:06:51]

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

[commit-bot: I haz the power, 2016-09-23 11:06:59]

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

[Benedikt Meurer, 2016-09-23 11:46:13]

LGTM.

[commit-bot: I haz the power, 2016-09-23 11:48:47]

Description was changed from

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

This adds handling of {IrOpcode::kStringCharCodeAt} 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
BUG=chromium:649492
==========

to

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

This adds handling of {IrOpcode::kStringCharCodeAt} 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
BUG=chromium:649492

Committed: https://crrev.com/08a441b309d00572e650c020e8a3c45390aa459d
Cr-Commit-Position: refs/heads/master@{#39660}
==========

[commit-bot: I haz the power, 2016-09-23 11:48:48]

Patchset 1 (id:??) landed as
https://crrev.com/08a441b309d00572e650c020e8a3c45390aa459d
Cr-Commit-Position: refs/heads/master@{#39660}

[Michael Starzinger, 2016-09-23 11:48:49]

Description was changed from

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

This adds handling of {IrOpcode::kStringCharCodeAt} 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
BUG=chromium:649492

Committed: https://crrev.com/08a441b309d00572e650c020e8a3c45390aa459d
Cr-Commit-Position: refs/heads/master@{#39660}
==========

to

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

This adds handling of {IrOpcode::kStringCharCodeAt} 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
BUG=chromium:649492

Committed:
https://chromium.googlesource.com/v8/v8/+/08a441b309d00572e650c020e8a3c45390a...
==========

[Michael Starzinger, 2016-09-23 11:48:50]

Committed patchset #1 (id:1) manually as
08a441b309d00572e650c020e8a3c45390aa459d (presubmit successful).