[turbofan] Unify escape analysis offset calculation.

[turbofan] Unify escape analysis offset calculation.

This unifies the calculation of virtual offsets within the escape
analysis pass to go through common helpers. It also switches to safer
accessors for getting FieldAccess and ElementAccess parameters.

R=jarin@chromium.org

Committed: https://crrev.com/09365ad8112317bfcbd7b2094c5cd065f11f4a9e
Cr-Commit-Position: refs/heads/master@{#36423}

[Jarin, 2016-05-20 14:35:00]

lgtm

[Michael Starzinger, 2016-05-20 16:00:16]

The CQ bit was checked by mstarzinger@chromium.org

[Michael Starzinger, 2016-05-20 16:00:17]

The patchset sent to the CQ was uploaded after l-g-t-m from jarin@chromium.org
Link to the patchset: https://codereview.chromium.org/2000733002/#ps20001
(title: "Fix typo.")

[commit-bot: I haz the power, 2016-05-20 16:00:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2000733002/20001
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/2000733002/20001

[commit-bot: I haz the power, 2016-05-20 17:51:06]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-05-20 17:53:37]

Description was changed from

==========
[turbofan] Unify escape analysis offset calculation.

This unifies the calculation of virtual offsets within the escape
analysis pass to go through common helpers. It also switches to safer
accessors for getting FieldAccess and ElementAccess parameters.

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

to

==========
[turbofan] Unify escape analysis offset calculation.

This unifies the calculation of virtual offsets within the escape
analysis pass to go through common helpers. It also switches to safer
accessors for getting FieldAccess and ElementAccess parameters.

R=jarin@chromium.org

Committed: https://crrev.com/09365ad8112317bfcbd7b2094c5cd065f11f4a9e
Cr-Commit-Position: refs/heads/master@{#36423}
==========

[commit-bot: I haz the power, 2016-05-20 17:53:38]

Patchset 2 (id:??) landed as
https://crrev.com/09365ad8112317bfcbd7b2094c5cd065f11f4a9e
Cr-Commit-Position: refs/heads/master@{#36423}