[elements] limit TypedElementsAccessor::IncludesValue to backing store length

[elements] limit TypedElementsAccessor::IncludesValue to backing store length

The contract is that the method is only invoked when there are no elements on
the prototype, and this elements type forbids accessor elements. So it is safe
to limit the search to the end of the backing store.

BUG=chromium:634269, v8:5162
R=cbruni@chromium.org, mstarzinger@chromium.org

Committed: https://crrev.com/0d7f7dc3ee2181da5f6930925275e8e9342d0897
Cr-Commit-Position: refs/heads/master@{#38344}

[caitp, 2016-08-04 14:04:22]

The CQ bit was checked by caitp@igalia.com to run a CQ dry run

[commit-bot: I haz the power, 2016-08-04 14:04:26]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[caitp, 2016-08-04 14:04:28]

PTAL

[commit-bot: I haz the power, 2016-08-04 14:14:31]

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

[commit-bot: I haz the power, 2016-08-04 14:14:33]

Dry run: Try jobs failed on following builders:
  v8_win_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_win_rel_ng/builds/11854)

[caitp, 2016-08-04 14:35:41]

The CQ bit was checked by caitp@igalia.com to run a CQ dry run

[commit-bot: I haz the power, 2016-08-04 14:35:51]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-08-04 14:37:54]

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

[commit-bot: I haz the power, 2016-08-04 14:37:55]

Dry run: Try jobs failed on following builders:
  v8_linux64_gyp_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_gyp_rel_ng/build...)
  v8_linux_gcc_compile_rel on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_gcc_compile_rel/bu...)
  v8_linux_mipsel_compile_rel on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux_mipsel_compile_rel...)

[caitp, 2016-08-04 14:43:21]

The CQ bit was checked by caitp@igalia.com to run a CQ dry run

[commit-bot: I haz the power, 2016-08-04 14:43:24]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-08-04 15:02:19]

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

[commit-bot: I haz the power, 2016-08-04 15:02:20]

Dry run: This issue passed the CQ dry run.

[Camillo Bruni, 2016-08-04 15:35:05]

lgtm

[caitp, 2016-08-04 15:50:59]

The CQ bit was checked by caitp@igalia.com

[commit-bot: I haz the power, 2016-08-04 15:51:06]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-08-04 15:53:18]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2016-08-04 15:55:02]

Description was changed from

==========
[elements] limit TypedElementsAccessor::IncludesValue to backing store length

The contract is that the method is only invoked when there are no elements on
the prototype, and this elements type forbids accessor elements. So it is safe
to limit the search to the end of the backing store.

BUG=chromium:634269, v8:5162
R=cbruni@chromium.org, mstarzinger@chromium.org
==========

to

==========
[elements] limit TypedElementsAccessor::IncludesValue to backing store length

The contract is that the method is only invoked when there are no elements on
the prototype, and this elements type forbids accessor elements. So it is safe
to limit the search to the end of the backing store.

BUG=chromium:634269, v8:5162
R=cbruni@chromium.org, mstarzinger@chromium.org

Committed: https://crrev.com/0d7f7dc3ee2181da5f6930925275e8e9342d0897
Cr-Commit-Position: refs/heads/master@{#38344}
==========

[commit-bot: I haz the power, 2016-08-04 15:55:03]

Patchset 3 (id:??) landed as
https://crrev.com/0d7f7dc3ee2181da5f6930925275e8e9342d0897
Cr-Commit-Position: refs/heads/master@{#38344}