New insertion write barrier.

New insertion write barrier.

BUG=

Committed: https://crrev.com/6e9e2c08292b553602c74b16b8ccff4e4ccac003
Cr-Commit-Position: refs/heads/master@{#28199}

[Hannes Payer (out of office), 2015-05-04 10:36:59]

Patchset #9 (id:160001) has been deleted

[Hannes Payer (out of office), 2015-05-04 10:37:13]

Patchset #8 (id:140001) has been deleted

[Hannes Payer (out of office), 2015-05-04 10:37:18]

Patchset #7 (id:120001) has been deleted

[Hannes Payer (out of office), 2015-05-04 10:37:25]

Patchset #6 (id:100001) has been deleted

[Hannes Payer (out of office), 2015-05-04 10:37:31]

Patchset #5 (id:80001) has been deleted

[Hannes Payer (out of office), 2015-05-04 10:37:36]

Patchset #4 (id:60001) has been deleted

[Hannes Payer (out of office), 2015-05-04 10:38:10]

Patchset #3 (id:40001) has been deleted

[Hannes Payer (out of office), 2015-05-04 10:38:15]

Patchset #2 (id:20001) has been deleted

[Hannes Payer (out of office), 2015-05-04 10:40:16]

hpayer@chromium.org changed reviewers:
+ erikcorry@chromium.org, ulan@chromium.org

[ulan, 2015-05-04 10:43:49]

lgtm

https://codereview.chromium.org/1073953006/diff/180001/src/heap/spaces.h
File src/heap/spaces.h (right):

https://codereview.chromium.org/1073953006/diff/180001/src/heap/spaces.h#newc...
src/heap/spaces.h:495: DCHECK(IsFlagSet(HAS_PROGRESS_BAR));
Can we remove the rest of "progress_bar" code?

[Hannes Payer (out of office), 2015-05-04 12:43:14]

https://codereview.chromium.org/1073953006/diff/180001/src/heap/spaces.h
File src/heap/spaces.h (right):

https://codereview.chromium.org/1073953006/diff/180001/src/heap/spaces.h#newc...
src/heap/spaces.h:495: DCHECK(IsFlagSet(HAS_PROGRESS_BAR));
On 2015/05/04 10:43:49, ulan wrote:
> Can we remove the rest of "progress_bar" code?

No, we still need it to incrementally mark large objects.

[Hannes Payer (out of office), 2015-05-04 12:48:18]

The CQ bit was checked by hpayer@chromium.org

[Hannes Payer (out of office), 2015-05-04 12:48:18]

The patchset sent to the CQ was uploaded after l-g-t-m from ulan@chromium.org
Link to the patchset: https://codereview.chromium.org/1073953006/#ps200001
(title: " ")

[commit-bot: I haz the power, 2015-05-04 12:48:25]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1073953006/200001

[commit-bot: I haz the power, 2015-05-04 13:12:30]

Committed patchset #3 (id:200001)

[commit-bot: I haz the power, 2015-05-04 13:12:39]

Patchset 3 (id:??) landed as
https://crrev.com/6e9e2c08292b553602c74b16b8ccff4e4ccac003
Cr-Commit-Position: refs/heads/master@{#28199}

[Hannes Payer (out of office), 2015-05-06 14:34:44]

A revert of this CL (patchset #3 id:200001) has been created in
https://codereview.chromium.org/1131583002/ by hpayer@chromium.org.

The reason for reverting is: Various performance regressions..