[heap] RemoveRange of SlotSet should not push nullptr for empty buckets on the pre-free stack.

[heap] RemoveRange of SlotSet should not push nullptr for empty buckets on the pre-free stack.

BUG=chromium:648568
Committed: https://crrev.com/da8654dba086c13a77fae33ed7829c39789ccba5
Cr-Commit-Position: refs/heads/master@{#40176}

[Hannes Payer (out of office), 2016-10-11 14:08:08]

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

[commit-bot: I haz the power, 2016-10-11 14:08:13]

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

[ulan, 2016-10-11 14:10:27]

ulan@chromium.org changed reviewers:
+ ulan@chromium.org

[ulan, 2016-10-11 14:10:28]

lgtm

[Hannes Payer (out of office), 2016-10-11 14:11:02]

The CQ bit was checked by hpayer@chromium.org

[Hannes Payer (out of office), 2016-10-11 14:11:03]

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/2412453003/#ps20001
(title: "move mutex")

[commit-bot: I haz the power, 2016-10-11 14:11:14]

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, 2016-10-11 14:41:48]

Committed patchset #2 (id:20001)

[commit-bot: I haz the power, 2016-10-11 14:42:15]

Description was changed from

==========
[heap] RemoveRange of SlotSet should not push nullptr for empty buckets on the
pre-free stack.

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

to

==========
[heap] RemoveRange of SlotSet should not push nullptr for empty buckets on the
pre-free stack.

BUG=chromium:648568

Committed: https://crrev.com/da8654dba086c13a77fae33ed7829c39789ccba5
Cr-Commit-Position: refs/heads/master@{#40176}
==========

[commit-bot: I haz the power, 2016-10-11 14:42:16]

Patchset 2 (id:??) landed as
https://crrev.com/da8654dba086c13a77fae33ed7829c39789ccba5
Cr-Commit-Position: refs/heads/master@{#40176}