[heap] Reland: Use store buffer for writes coming from mutator.

[heap] Reland: Use store buffer for writes coming from mutator.

This reverts commit 061c2ab23a1d4cd192b935e7912e7dfb1fed845d.

BUG=chromium:648568, chromium:669270
Committed: https://crrev.com/fa2fdf275197185d9bca9d5e72c16a60722c3893
Cr-Commit-Position: refs/heads/master@{#41341}

[Hannes Payer (out of office), 2016-11-29 08:45:24]

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

[commit-bot: I haz the power, 2016-11-29 08:45:32]

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

[Hannes Payer (out of office), 2016-11-29 08:45:55]

Description was changed from

==========
[heap] Reland: Use store buffer for writes coming from mutator.

This reverts commit 061c2ab23a1d4cd192b935e7912e7dfb1fed845d.

BUG=chromium:648568
==========

to

==========
[heap] Reland: Use store buffer for writes coming from mutator.

This reverts commit 061c2ab23a1d4cd192b935e7912e7dfb1fed845d.

BUG=chromium:648568, chromium:669270
==========

[Hannes Payer (out of office), 2016-11-29 08:46:05]

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

[Michael Lippautz, 2016-11-29 08:46:41]

lgtm

[Hannes Payer (out of office), 2016-11-29 09:01:17]

The CQ bit was unchecked by hpayer@chromium.org

[Hannes Payer (out of office), 2016-11-29 09:01:20]

The CQ bit was checked by hpayer@chromium.org

[commit-bot: I haz the power, 2016-11-29 09:01:22]

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

[Hannes Payer (out of office), 2016-11-29 09:18:44]

Patchset #2 (id:20001) has been deleted

[Hannes Payer (out of office), 2016-11-29 09:18:48]

The CQ bit was checked by hpayer@chromium.org

[commit-bot: I haz the power, 2016-11-29 09:18:56]

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, 2016-11-29 09:32:16]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1480411128831490, "parent_rev":
"33c1aaa940124a0554fafc305e25203c1c5b32a3", "commit_rev":
"282af6a4e1c8f03777458c2915a6904510e468f9"}

[commit-bot: I haz the power, 2016-11-29 09:32:19]

Description was changed from

==========
[heap] Reland: Use store buffer for writes coming from mutator.

This reverts commit 061c2ab23a1d4cd192b935e7912e7dfb1fed845d.

BUG=chromium:648568, chromium:669270
==========

to

==========
[heap] Reland: Use store buffer for writes coming from mutator.

This reverts commit 061c2ab23a1d4cd192b935e7912e7dfb1fed845d.

BUG=chromium:648568, chromium:669270
==========

[commit-bot: I haz the power, 2016-11-29 09:32:20]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-11-29 09:32:45]

Description was changed from

==========
[heap] Reland: Use store buffer for writes coming from mutator.

This reverts commit 061c2ab23a1d4cd192b935e7912e7dfb1fed845d.

BUG=chromium:648568, chromium:669270
==========

to

==========
[heap] Reland: Use store buffer for writes coming from mutator.

This reverts commit 061c2ab23a1d4cd192b935e7912e7dfb1fed845d.

BUG=chromium:648568, chromium:669270

Committed: https://crrev.com/fa2fdf275197185d9bca9d5e72c16a60722c3893
Cr-Commit-Position: refs/heads/master@{#41341}
==========

[commit-bot: I haz the power, 2016-11-29 09:32:46]

Patchset 1 (id:??) landed as
https://crrev.com/fa2fdf275197185d9bca9d5e72c16a60722c3893
Cr-Commit-Position: refs/heads/master@{#41341}

[Michael Achenbach, 2016-11-29 10:02:07]

A revert of this CL (patchset #1 id:1) has been created in
https://codereview.chromium.org/2534803004/ by machenbach@chromium.org.

The reason for reverting is: Suspect for tsan failures:
https://build.chromium.org/p/client.v8/builders/V8%20Linux64%20TSAN/builds/12915.