S390: Fix allocation-site-info.js failure

S390: Fix allocation-site-info.js failure

Mask used in MacroAssembler::TestJSArrayForAllocationMemento was not supposed
to shifted right by 16 bits before loaded in to register r0.

R=michael_dawson@ca.ibm.com,mbrandy@us.ibm.com,joransiu@ca.ibm.com
BUG=

Committed: https://crrev.com/99796f040b90704486d861778c33251b52d54792
Cr-Commit-Position: refs/heads/master@{#35247}

[john.yan, 2016-04-04 19:23:47]

PTAL

[JoranSiu, 2016-04-04 19:30:12]

On 2016/04/04 19:23:47, john.yan wrote:
> PTAL

lgtm

[john.yan, 2016-04-04 19:31:15]

The CQ bit was checked by jyan@ca.ibm.com

[commit-bot: I haz the power, 2016-04-04 19:31:17]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1852403002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1852403002/1

[commit-bot: I haz the power, 2016-04-04 19:51:01]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-04-04 19:51:38]

Description was changed from

==========
S390: Fix allocation-site-info.js failure

Mask used in MacroAssembler::TestJSArrayForAllocationMemento was not supposed
to shifted right by 16 bits before loaded in to register r0.

R=michael_dawson@ca.ibm.com,mbrandy@us.ibm.com,joransiu@ca.ibm.com
BUG=
==========

to

==========
S390: Fix allocation-site-info.js failure

Mask used in MacroAssembler::TestJSArrayForAllocationMemento was not supposed
to shifted right by 16 bits before loaded in to register r0.

R=michael_dawson@ca.ibm.com,mbrandy@us.ibm.com,joransiu@ca.ibm.com
BUG=

Committed: https://crrev.com/99796f040b90704486d861778c33251b52d54792
Cr-Commit-Position: refs/heads/master@{#35247}
==========

[commit-bot: I haz the power, 2016-04-04 19:51:39]

Patchset 1 (id:??) landed as
https://crrev.com/99796f040b90704486d861778c33251b52d54792
Cr-Commit-Position: refs/heads/master@{#35247}