correctly invalidate global cells

correctly invalidate global cells

additionally, remove unnecessary deopts when transitioning to global accessor properties from data properties

R=verwaest@chromium.org

BUG=

Committed: https://crrev.com/d3fb7bf809227a8f9bbf86c4e6049195b8102379
Cr-Commit-Position: refs/heads/master@{#27239}

[dcarney, 2015-03-13 21:31:01]

Patchset #21 (id:370001) has been deleted

[dcarney, 2015-03-13 21:40:13]

dcarney@chromium.org changed reviewers:
+ verwaest@chromium.org

[Toon Verwaest, 2015-03-17 11:04:23]

lgtm

https://codereview.chromium.org/996133002/diff/390001/src/hydrogen.cc
File src/hydrogen.cc (right):

https://codereview.chromium.org/996133002/diff/390001/src/hydrogen.cc#newcode...
src/hydrogen.cc:5353: Handle<Object> constant_object = handle(cell->value(),
isolate());
Handle<Object> constant_object(cell->value(), isolate());

[dcarney, 2015-03-17 13:04:54]

The CQ bit was checked by dcarney@chromium.org

[dcarney, 2015-03-17 13:04:55]

The patchset sent to the CQ was uploaded after l-g-t-m from
verwaest@chromium.org
Link to the patchset: https://codereview.chromium.org/996133002/#ps410001
(title: "cleanup")

[commit-bot: I haz the power, 2015-03-17 13:05:05]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/996133002/410001

[commit-bot: I haz the power, 2015-03-17 13:27:31]

Committed patchset #22 (id:410001)

[commit-bot: I haz the power, 2015-03-17 13:27:53]

Patchset 22 (id:??) landed as
https://crrev.com/d3fb7bf809227a8f9bbf86c4e6049195b8102379
Cr-Commit-Position: refs/heads/master@{#27239}