Serializer: canonicalize cleared weak cells.

Serializer: canonicalize cleared weak cells.



R=hpayer@chromium.org
BUG=v8:4050
LOG=N

[Hannes Payer (out of office), 2015-04-21 12:48:55]

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

[Hannes Payer (out of office), 2015-04-21 12:48:56]

lgtm from my side

ulan, is that fine with you

[Yang, 2015-04-21 12:50:02]

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

[Yang, 2015-04-21 12:50:03]

The patchset sent to the CQ was uploaded after l-g-t-m from hpayer@chromium.org
Link to the patchset: https://codereview.chromium.org/1072923003/#ps20001
(title: "add assert")

[commit-bot: I haz the power, 2015-04-21 12:50:17]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1072923003/20001

[commit-bot: I haz the power, 2015-04-21 12:52:10]

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

[commit-bot: I haz the power, 2015-04-21 12:52:10]

Dry run: Try jobs failed on following builders:
  v8_mac_rel on tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_mac_rel/builds/5106)

[Yang, 2015-04-21 12:52:54]

Patchset #2 (id:20001) has been deleted

[Yang, 2015-04-21 12:52:58]

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

[commit-bot: I haz the power, 2015-04-21 12:53:08]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1072923003/1