[heap] Filter out stale left-trimmed handles for scavenges

[heap] Filter out stale left-trimmed handles for scavenges

The missing part from
  https://codereview.chromium.org/2078403002/

R=jochen@chromium.org
BUG=chromium:621869
LOG=N

Committed: https://crrev.com/7a88ff3cc096ecd681e9d10ad0a75c7d3daf027e
Cr-Commit-Position: refs/heads/master@{#37184}

[Michael Lippautz, 2016-06-21 11:25:53]

ptal; until we come up with something better we also need to filter them for
scavenges

[Michael Lippautz, 2016-06-22 08:35:56]

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

[commit-bot: I haz the power, 2016-06-22 08:35:58]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2077353004/1

[Michael Lippautz, 2016-06-22 08:37:56]

Description was changed from

==========
[heap] Filter out stale left-trimmed handles for scavenges

R=jochen@chromium.org
BUG=chromium:621869
LOG=N
==========

to

==========
[heap] Filter out stale left-trimmed handles for scavenges

The missing part from    
  https://codereview.chromium.org/2078403002/

R=jochen@chromium.org
BUG=chromium:621869
LOG=N
==========

[commit-bot: I haz the power, 2016-06-22 08:55:50]

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

[commit-bot: I haz the power, 2016-06-22 08:55:51]

Dry run: Try jobs failed on following builders:
  v8_mac_rel_ng on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_mac_rel_ng/builds/3605)
  v8_mac_rel_ng_triggered on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_mac_rel_ng_triggered/bui...)

[Michael Lippautz, 2016-06-22 11:43:50]

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

[commit-bot: I haz the power, 2016-06-22 11:43:55]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2077353004/40001

[jochen (gone - plz use gerrit), 2016-06-22 11:55:56]

hum hum, so now you just filter those out at a different point. Wasn't Hannes
asking for not introducing stale handles in the first place?

[jochen (gone - plz use gerrit), 2016-06-22 11:57:51]

lgtm

[Michael Lippautz, 2016-06-22 11:59:57]

On 2016/06/22 11:55:56, jochen wrote:
> hum hum, so now you just filter those out at a different point. Wasn't Hannes
> asking for not introducing stale handles in the first place?

As discussed offline: Until we come up with a better plan we need to filter them
for MC and Scavenger. This patch adds the Scavenger part.

[commit-bot: I haz the power, 2016-06-22 12:12:01]

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

[commit-bot: I haz the power, 2016-06-22 12:12:02]

Dry run: This issue passed the CQ dry run.

[Michael Lippautz, 2016-06-22 12:18:30]

The CQ bit was checked by mlippautz@chromium.org

[commit-bot: I haz the power, 2016-06-22 12:18:44]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/2077353004/40001

[commit-bot: I haz the power, 2016-06-22 12:21:24]

Description was changed from

==========
[heap] Filter out stale left-trimmed handles for scavenges

The missing part from    
  https://codereview.chromium.org/2078403002/

R=jochen@chromium.org
BUG=chromium:621869
LOG=N
==========

to

==========
[heap] Filter out stale left-trimmed handles for scavenges

The missing part from    
  https://codereview.chromium.org/2078403002/

R=jochen@chromium.org
BUG=chromium:621869
LOG=N
==========

[commit-bot: I haz the power, 2016-06-22 12:21:25]

Committed patchset #3 (id:40001)

[commit-bot: I haz the power, 2016-06-22 12:22:52]

Description was changed from

==========
[heap] Filter out stale left-trimmed handles for scavenges

The missing part from    
  https://codereview.chromium.org/2078403002/

R=jochen@chromium.org
BUG=chromium:621869
LOG=N
==========

to

==========
[heap] Filter out stale left-trimmed handles for scavenges

The missing part from
  https://codereview.chromium.org/2078403002/

R=jochen@chromium.org
BUG=chromium:621869
LOG=N

Committed: https://crrev.com/7a88ff3cc096ecd681e9d10ad0a75c7d3daf027e
Cr-Commit-Position: refs/heads/master@{#37184}
==========

[commit-bot: I haz the power, 2016-06-22 12:22:53]

Patchset 3 (id:??) landed as
https://crrev.com/7a88ff3cc096ecd681e9d10ad0a75c7d3daf027e
Cr-Commit-Position: refs/heads/master@{#37184}