[turbofan] Make pure JS operators effectful before first scheduler.

[turbofan] Make pure JS operators effectful before first scheduler.

This way the first scheduler can properly wire them to the effect chain,
as otherwise the second scheduler could schedule them such that they
would be able to read uninitialized memory (once we drop the region
protection in the first scheduler).

R=jarin@chromium.org

Committed: https://crrev.com/9bac40157f823584bd2ed119a8cec4c95b50f94e
Cr-Commit-Position: refs/heads/master@{#35707}

[Benedikt Meurer, 2016-04-21 13:00:51]

Hey Jaro,

Next step in wiring everything :-)
Please take a look.

Thanks,
Benedikt

[Jarin, 2016-04-21 13:16:09]

lgtm

[Benedikt Meurer, 2016-04-21 13:28:36]

The CQ bit was checked by bmeurer@chromium.org

[commit-bot: I haz the power, 2016-04-21 13:28:41]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1908963002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1908963002/1

[commit-bot: I haz the power, 2016-04-21 13:30:44]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-22 19:14:50]

Description was changed from

==========
[turbofan] Make pure JS operators effectful before first scheduler.

This way the first scheduler can properly wire them to the effect chain,
as otherwise the second scheduler could schedule them such that they
would be able to read uninitialized memory (once we drop the region
protection in the first scheduler).

R=jarin@chromium.org
==========

to

==========
[turbofan] Make pure JS operators effectful before first scheduler.

This way the first scheduler can properly wire them to the effect chain,
as otherwise the second scheduler could schedule them such that they
would be able to read uninitialized memory (once we drop the region
protection in the first scheduler).

R=jarin@chromium.org

Committed: https://crrev.com/9bac40157f823584bd2ed119a8cec4c95b50f94e
Cr-Commit-Position: refs/heads/master@{#35707}
==========

[commit-bot: I haz the power, 2016-04-22 19:14:51]

Patchset 1 (id:??) landed as
https://crrev.com/9bac40157f823584bd2ed119a8cec4c95b50f94e
Cr-Commit-Position: refs/heads/master@{#35707}