X87: Fix memento initialization when constructing from new call

X87: Fix memento initialization when constructing from new call

port 3285e3bf071a2575a827c5b29fe389a72dbf8966 (r29719).

original commit message:

  Additionally, push the allocation site or undefined independently of creatin

BUG=

Committed: https://crrev.com/3536562e184dc66c8b8165cecd135e4c6fca21e6
Cr-Commit-Position: refs/heads/master@{#29723}

[chunyang.dai, 2015-07-17 09:39:42]

chunyang.dai@intel.com changed reviewers:
+ weiliang.lin@intel.com

[chunyang.dai, 2015-07-17 09:39:42]

PTAL.

[Weiliang, 2015-07-17 09:41:16]

The CQ bit was checked by weiliang.lin@intel.com

[Weiliang, 2015-07-17 09:41:16]

lgtm

[commit-bot: I haz the power, 2015-07-17 09:41:24]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1229023003/1

[commit-bot: I haz the power, 2015-07-17 10:07:07]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-07-17 10:07:30]

Patchset 1 (id:??) landed as
https://crrev.com/3536562e184dc66c8b8165cecd135e4c6fca21e6
Cr-Commit-Position: refs/heads/master@{#29723}