Skip the mapcheck on the global object since the global proxy and cell are already checked (or the …

Skip the mapcheck on the global object since the global proxy and cell are already checked (or the global object map for contextual global loads).

BUG=

Committed: https://crrev.com/6af7ca6be4cd768b3326f0b8c32d4fbc3baa20c8
Cr-Commit-Position: refs/heads/master@{#26886}

[Toon Verwaest, 2015-02-26 14:34:05]

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

[Toon Verwaest, 2015-02-26 14:34:06]

PTAL

[Jakob Kummerow, 2015-02-26 14:42:56]

lgtm

[Toon Verwaest, 2015-02-26 14:45:02]

The CQ bit was checked by verwaest@chromium.org

[commit-bot: I haz the power, 2015-02-26 14:45:55]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/961693002/40001

[commit-bot: I haz the power, 2015-02-26 15:12:04]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2015-02-26 15:12:17]

Patchset 3 (id:??) landed as
https://crrev.com/6af7ca6be4cd768b3326f0b8c32d4fbc3baa20c8
Cr-Commit-Position: refs/heads/master@{#26886}