[runtime] Fix use of attributes if intercepted.

[runtime] Fix use of attributes if intercepted.

The property details of a LookupIterator are not accessible,
if the iterator state is interceptor. Instead, use the
property attributes.

Fixes a crash in Node.js tests in Debug mode, see 
https://github.com/nodejs/node/commit/c2c6ae52eaf302da9c106699b69d17c083ced316

BUG=

Review-Url: https://codereview.chromium.org/2675993002
Cr-Commit-Position: refs/heads/master@{#42941}
Committed: https://chromium.googlesource.com/v8/v8/+/29e8d49f564af8be987f8b9112e2d2a0115daeea

[Franzi, 2017-02-03 17:11:25]

The CQ bit was checked by franzih@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2017-02-03 17:11:26]

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, 2017-02-03 17:35:58]

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

[commit-bot: I haz the power, 2017-02-03 17:35:58]

Dry run: This issue passed the CQ dry run.

[Franzi, 2017-02-04 12:39:47]

Description was changed from

==========
[runtime] Fix use of attributes if intercepted.

The property details of a LookupIterator are not accessible,
if the iterator state is interceptor. Instead, use the
property attributes.

BUG=
==========

to

==========
[runtime] Fix use of attributes if intercepted.

The property details of a LookupIterator are not accessible,
if the iterator state is interceptor. Instead, use the
property attributes.

Fixes a crash in Node.js tests in Debug mode, see 
https://github.com/nodejs/node/commit/c2c6ae52eaf302da9c106699b69d17c083ced316

BUG=
==========

[Franzi, 2017-02-04 12:40:14]

franzih@chromium.org changed reviewers:
+ yangguo@chromium.org

[Franzi, 2017-02-04 12:40:15]

PTAL.

[Yang, 2017-02-04 15:52:25]

On 2017/02/04 12:40:15, Franzi wrote:
> PTAL.

lgtm

[Franzi, 2017-02-04 16:28:17]

The CQ bit was checked by franzih@chromium.org

[commit-bot: I haz the power, 2017-02-04 16:28:28]

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, 2017-02-04 16:30:06]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1486225697299220, "parent_rev":
"22a6785eb6d1e1f85c923ed825d403047d2545d3", "commit_rev":
"29e8d49f564af8be987f8b9112e2d2a0115daeea"}

[commit-bot: I haz the power, 2017-02-04 16:30:12]

Description was changed from

==========
[runtime] Fix use of attributes if intercepted.

The property details of a LookupIterator are not accessible,
if the iterator state is interceptor. Instead, use the
property attributes.

Fixes a crash in Node.js tests in Debug mode, see 
https://github.com/nodejs/node/commit/c2c6ae52eaf302da9c106699b69d17c083ced316

BUG=
==========

to

==========
[runtime] Fix use of attributes if intercepted.

The property details of a LookupIterator are not accessible,
if the iterator state is interceptor. Instead, use the
property attributes.

Fixes a crash in Node.js tests in Debug mode, see 
https://github.com/nodejs/node/commit/c2c6ae52eaf302da9c106699b69d17c083ced316

BUG=

Review-Url: https://codereview.chromium.org/2675993002
Cr-Commit-Position: refs/heads/master@{#42941}
Committed:
https://chromium.googlesource.com/v8/v8/+/29e8d49f564af8be987f8b9112e2d2a0115...
==========

[commit-bot: I haz the power, 2017-02-04 16:30:13]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/29e8d49f564af8be987f8b9112e2d2a0115...