Stage --harmony-species flag, enabling Symbol.species

Stage --harmony-species flag, enabling Symbol.species

This patch moves Symbol.species support to the "experimental JavaScript
features" flag. While @@species is still a performance hit, it doesn't seem
like it would make the web unusably slow; shipping would still have to
wait on fixing the performance regression, but staging this version should
yield valuable web compatibility information.

R=cbruni
BUG=v8:4093
LOG=Y

Committed: https://crrev.com/43cd128eff9ec9bf6644f3163fdb779815876e80
Cr-Commit-Position: refs/heads/master@{#33827}

[Dan Ehrenberg, 2016-02-08 15:45:04]

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

[commit-bot: I haz the power, 2016-02-08 15:45:14]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1678143002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1678143002/1

[commit-bot: I haz the power, 2016-02-08 16:03:09]

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

[commit-bot: I haz the power, 2016-02-08 16:03:09]

Dry run: Try jobs failed on following builders:
  v8_linux_arm64_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_arm64_rel/builds/1...)

[Dan Ehrenberg, 2016-02-08 16:11:34]

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

[commit-bot: I haz the power, 2016-02-08 16:11:38]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1678143002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1678143002/20001

[commit-bot: I haz the power, 2016-02-08 16:34:15]

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

[commit-bot: I haz the power, 2016-02-08 16:34:15]

Dry run: This issue passed the CQ dry run.

[Camillo Bruni, 2016-02-08 17:53:15]

LGTM
as discussed offline, this should be fine as long as we don't annoy our
perf-bots ;)

[Michael Hablich, 2016-02-08 18:08:52]

On 2016/02/08 17:53:15, cbruni wrote:
> LGTM
> as discussed offline, this should be fine as long as we don't annoy our
> perf-bots ;)

The relevant Perf Bots shouldn't trigger because this is behind a flag. We have
a dedicated perf bot running with staging activated though.

[Dan Ehrenberg, 2016-02-08 21:15:14]

The CQ bit was checked by littledan@chromium.org

[commit-bot: I haz the power, 2016-02-08 21:15:25]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1678143002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1678143002/20001

[commit-bot: I haz the power, 2016-02-08 21:17:39]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-02-08 21:18:23]

Description was changed from

==========
Stage --harmony-species flag, enabling Symbol.species

This patch moves Symbol.species support to the "experimental JavaScript
features" flag. While @@species is still a performance hit, it doesn't seem
like it would make the web unusably slow; shipping would still have to
wait on fixing the performance regression, but staging this version should
yield valuable web compatibility information.

R=cbruni
BUG=v8:4093
LOG=Y
==========

to

==========
Stage --harmony-species flag, enabling Symbol.species

This patch moves Symbol.species support to the "experimental JavaScript
features" flag. While @@species is still a performance hit, it doesn't seem
like it would make the web unusably slow; shipping would still have to
wait on fixing the performance regression, but staging this version should
yield valuable web compatibility information.

R=cbruni
BUG=v8:4093
LOG=Y

Committed: https://crrev.com/43cd128eff9ec9bf6644f3163fdb779815876e80
Cr-Commit-Position: refs/heads/master@{#33827}
==========

[commit-bot: I haz the power, 2016-02-08 21:18:24]

Patchset 2 (id:??) landed as
https://crrev.com/43cd128eff9ec9bf6644f3163fdb779815876e80
Cr-Commit-Position: refs/heads/master@{#33827}