Reland of "[heap] Report wrappers after processing the marking deque incrementally"

Reland of "[heap] Report wrappers after processing the marking deque incrementally"

We need to report cached wrappers within v8 to the embedder after each atomic
phase of v8 marking because the embedder can invalidate the wrappers in-between
v8 marking steps.

E.g., in Chrome, a conservative GC might need to wipe dead wrappables from
the wrapper tracing marking deque.

BUG=chromium:676700, chromium:468240
Review-Url: https://codereview.chromium.org/2610563002
Cr-Commit-Position: refs/heads/master@{#42011}
Committed: https://chromium.googlesource.com/v8/v8/+/5622bc15f1d50f79056f943e7242c05ed66352a2

[Michael Lippautz, 2017-01-02 12:16:54]

Description was changed from

==========
Reland of "[heap] Report wrappers after processing the marking deque
incrementally"

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

to

==========
Reland of "[heap] Report wrappers after processing the marking deque
incrementally"

BUG=chromium:676700, chromium:468240
==========

[Michael Lippautz, 2017-01-02 12:19:06]

Description was changed from

==========
Reland of "[heap] Report wrappers after processing the marking deque
incrementally"

BUG=chromium:676700, chromium:468240
==========

to

==========
Reland of "[heap] Report wrappers after processing the marking deque
incrementally"

We need to report cached wrappers within v8 to the embedder after each atomic
phase of v8 marking because the embedder can invalidate the wrappers in-between
v8 marking steps.

E.g., in Chrome, a conservative GC might need to wipe dead wrapper infos from
the wrapper tracing marking deque.

BUG=chromium:676700, chromium:468240
==========

[Michael Lippautz, 2017-01-02 12:19:14]

Description was changed from

==========
Reland of "[heap] Report wrappers after processing the marking deque
incrementally"

We need to report cached wrappers within v8 to the embedder after each atomic
phase of v8 marking because the embedder can invalidate the wrappers in-between
v8 marking steps.

E.g., in Chrome, a conservative GC might need to wipe dead wrapper infos from
the wrapper tracing marking deque.

BUG=chromium:676700, chromium:468240
==========

to

==========
Reland of "[heap] Report wrappers after processing the marking deque
incrementally"

We need to report cached wrappers within v8 to the embedder after each atomic
phase of v8 marking because the embedder can invalidate the wrappers in-between
v8 marking steps.

E.g., in Chrome, a conservative GC might need to wipe dead wrapper infos from
the wrapper tracing marking deque.

BUG=chromium:676700, chromium:468240
==========

[Michael Lippautz, 2017-01-02 12:26:08]

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

[commit-bot: I haz the power, 2017-01-02 12:26:15]

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

[Michael Lippautz, 2017-01-02 12:46:41]

Description was changed from

==========
Reland of "[heap] Report wrappers after processing the marking deque
incrementally"

We need to report cached wrappers within v8 to the embedder after each atomic
phase of v8 marking because the embedder can invalidate the wrappers in-between
v8 marking steps.

E.g., in Chrome, a conservative GC might need to wipe dead wrapper infos from
the wrapper tracing marking deque.

BUG=chromium:676700, chromium:468240
==========

to

==========
Reland of "[heap] Report wrappers after processing the marking deque
incrementally"

We need to report cached wrappers within v8 to the embedder after each atomic
phase of v8 marking because the embedder can invalidate the wrappers in-between
v8 marking steps.

E.g., in Chrome, a conservative GC might need to wipe dead wrapper infos from
the wrapper tracing marking deque.

BUG=chromium:676700, chromium:468240
==========

[Michael Lippautz, 2017-01-02 12:46:41]

mlippautz@chromium.org changed reviewers:
+ jochen@chromium.org

[Michael Lippautz, 2017-01-02 12:46:57]

Description was changed from

==========
Reland of "[heap] Report wrappers after processing the marking deque
incrementally"

We need to report cached wrappers within v8 to the embedder after each atomic
phase of v8 marking because the embedder can invalidate the wrappers in-between
v8 marking steps.

E.g., in Chrome, a conservative GC might need to wipe dead wrapper infos from
the wrapper tracing marking deque.

BUG=chromium:676700, chromium:468240
==========

to

==========
Reland of "[heap] Report wrappers after processing the marking deque
incrementally"

We need to report cached wrappers within v8 to the embedder after each atomic
phase of v8 marking because the embedder can invalidate the wrappers in-between
v8 marking steps.

E.g., in Chrome, a conservative GC might need to wipe dead wrappables from
the wrapper tracing marking deque.

BUG=chromium:676700, chromium:468240
==========

[Michael Lippautz, 2017-01-02 12:48:14]

ptal

ps1 was reverted; ps2 contains the fix.

[jochen (gone - plz use gerrit), 2017-01-02 12:50:39]

lgtm

[commit-bot: I haz the power, 2017-01-02 12:59:01]

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

[commit-bot: I haz the power, 2017-01-02 12:59:02]

Dry run: This issue passed the CQ dry run.

[Michael Lippautz, 2017-01-02 13:04:26]

The CQ bit was checked by mlippautz@chromium.org

[commit-bot: I haz the power, 2017-01-02 13:04:35]

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, 2017-01-02 13:06:12]

CQ is committing da patch.

Bot data: {"patchset_id": 20001, "attempt_start_ts": 1483362266749180,
"parent_rev": "45aa13514b1997353a9d0bfbeaff9d4776c20d2a", "commit_rev":
"5622bc15f1d50f79056f943e7242c05ed66352a2"}

[commit-bot: I haz the power, 2017-01-02 13:06:15]

Description was changed from

==========
Reland of "[heap] Report wrappers after processing the marking deque
incrementally"

We need to report cached wrappers within v8 to the embedder after each atomic
phase of v8 marking because the embedder can invalidate the wrappers in-between
v8 marking steps.

E.g., in Chrome, a conservative GC might need to wipe dead wrappables from
the wrapper tracing marking deque.

BUG=chromium:676700, chromium:468240
==========

to

==========
Reland of "[heap] Report wrappers after processing the marking deque
incrementally"

We need to report cached wrappers within v8 to the embedder after each atomic
phase of v8 marking because the embedder can invalidate the wrappers in-between
v8 marking steps.

E.g., in Chrome, a conservative GC might need to wipe dead wrappables from
the wrapper tracing marking deque.

BUG=chromium:676700, chromium:468240

Review-Url: https://codereview.chromium.org/2610563002
Cr-Commit-Position: refs/heads/master@{#42011}
Committed:
https://chromium.googlesource.com/v8/v8/+/5622bc15f1d50f79056f943e7242c05ed66...
==========

[commit-bot: I haz the power, 2017-01-02 13:06:16]

Committed patchset #2 (id:20001) as
https://chromium.googlesource.com/v8/v8/+/5622bc15f1d50f79056f943e7242c05ed66...