Remove DCHECKs in TypedElementsAccessor

Remove DCHECKs in TypedElementsAccessor

Since typedarrays are integer indexed exotic objects, we don't need to
check if prototypes of a typedarray have elements or not.

https://tc39.github.io/ecma262/#sec-integer-indexed-exotic-objects-get-p-receiver

BUG=699020
Review-Url: https://codereview.chromium.org/2744103002
Cr-Commit-Position: refs/heads/master@{#43738}
Committed: https://chromium.googlesource.com/v8/v8/+/4aeb26579993622ff374cb21dbfcfa2ba2d673d8

[Choongwoo Han, 2017-03-11 10:08:17]

Description was changed from

==========
[typedarrays] Remove DCHECKs in TypedElementsAccessor

Since typedarrays are integer indexed exotic objects, we don't need to
check if prototypes of a typedarray have elements or not.

BUG=699020
==========

to

==========
[typedarrays] Remove DCHECKs in TypedElementsAccessor

Since typedarrays are integer indexed exotic objects, we don't need to
check if prototypes of a typedarray have elements or not.

BUG=699020
==========

[Choongwoo Han, 2017-03-11 10:08:17]

cwhan.tunz@gmail.com changed reviewers:
+ caitp@igalia.com, cbruni@chromium.org

[Choongwoo Han, 2017-03-11 10:37:40]

PTAL

[Choongwoo Han, 2017-03-11 16:31:08]

Description was changed from

==========
[typedarrays] Remove DCHECKs in TypedElementsAccessor

Since typedarrays are integer indexed exotic objects, we don't need to
check if prototypes of a typedarray have elements or not.

BUG=699020
==========

to

==========
Remove DCHECKs in TypedElementsAccessor

Since typedarrays are integer indexed exotic objects, we don't need to
check if prototypes of a typedarray have elements or not.

BUG=699020
==========

[Camillo Bruni, 2017-03-13 07:57:51]

Description was changed from

==========
Remove DCHECKs in TypedElementsAccessor

Since typedarrays are integer indexed exotic objects, we don't need to
check if prototypes of a typedarray have elements or not.

BUG=699020
==========

to

==========
Remove DCHECKs in TypedElementsAccessor

Since typedarrays are integer indexed exotic objects, we don't need to
check if prototypes of a typedarray have elements or not.

https://tc39.github.io/ecma262/#sec-integer-indexed-exotic-objects-get-p-rece...

BUG=699020
==========

[Camillo Bruni, 2017-03-13 07:58:01]

lgtm

[Camillo Bruni, 2017-03-13 07:58:22]

Thanks!
note: I added the link to the spec text

[Choongwoo Han, 2017-03-13 08:17:03]

The CQ bit was checked by cwhan.tunz@gmail.com

[commit-bot: I haz the power, 2017-03-13 08:17:13]

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, 2017-03-13 08:37:55]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1489393023640230, "parent_rev":
"384fe54e02039f9a6b81519d7d86ddd590b7ad82", "commit_rev":
"4aeb26579993622ff374cb21dbfcfa2ba2d673d8"}

[commit-bot: I haz the power, 2017-03-13 08:38:00]

Description was changed from

==========
Remove DCHECKs in TypedElementsAccessor

Since typedarrays are integer indexed exotic objects, we don't need to
check if prototypes of a typedarray have elements or not.

https://tc39.github.io/ecma262/#sec-integer-indexed-exotic-objects-get-p-rece...

BUG=699020
==========

to

==========
Remove DCHECKs in TypedElementsAccessor

Since typedarrays are integer indexed exotic objects, we don't need to
check if prototypes of a typedarray have elements or not.

https://tc39.github.io/ecma262/#sec-integer-indexed-exotic-objects-get-p-rece...

BUG=699020

Review-Url: https://codereview.chromium.org/2744103002
Cr-Commit-Position: refs/heads/master@{#43738}
Committed:
https://chromium.googlesource.com/v8/v8/+/4aeb26579993622ff374cb21dbfcfa2ba2d...
==========

[commit-bot: I haz the power, 2017-03-13 08:38:00]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/4aeb26579993622ff374cb21dbfcfa2ba2d...