[compiler] Fix turbofan string allocation

[compiler] Fix turbofan string allocation

The hash field is supposed to be 4 bytes even in 64-bit. But the
default parameter of StoreObjectFieldNoWriteBarrier using kTagged
will generate 64-bit store. Fix by Replacing kTagged with kWord32.

This causes ~200 test failures on big-endian, because hash field
offset in BE is 12 instead of 8 in LE platforms.

R=bmeurer@chromium.org, epertoso@chromium.org, joransiu@ca.ibm.com, michael_dawson@ca.ibm.com, mbrandy@us.ibm.com, bjaideep@ca.ibm.com
BUG=

Committed: https://crrev.com/fa5e0490554963720338a13afc1001f32815f94c
Cr-Commit-Position: refs/heads/master@{#37256}

[john.yan, 2016-06-24 14:49:46]

The CQ bit was checked by jyan@ca.ibm.com to run a CQ dry run

[commit-bot: I haz the power, 2016-06-24 14:49:59]

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

[john.yan, 2016-06-24 14:55:55]

PTAL.

[commit-bot: I haz the power, 2016-06-24 15:14:13]

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

[commit-bot: I haz the power, 2016-06-24 15:14:14]

Dry run: This issue passed the CQ dry run.

[Benedikt Meurer, 2016-06-24 18:23:43]

The CQ bit was checked by bmeurer@chromium.org

[Benedikt Meurer, 2016-06-24 18:23:44]

lgtm

[commit-bot: I haz the power, 2016-06-24 18:23:49]

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, 2016-06-24 18:25:53]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-06-24 18:26:14]

Description was changed from

==========
[compiler] Fix turbofan string allocation

The hash field is supposed to be 4 bytes even in 64-bit. But the
default parameter of StoreObjectFieldNoWriteBarrier using kTagged
will generate 64-bit store. Fix by Replacing kTagged with kWord32.

This causes ~200 test failures on big-endian, because hash field
offset in BE is 12 instead of 8 in LE platforms.

R=bmeurer@chromium.org, epertoso@chromium.org, joransiu@ca.ibm.com,
michael_dawson@ca.ibm.com, mbrandy@us.ibm.com, bjaideep@ca.ibm.com
BUG=
==========

to

==========
[compiler] Fix turbofan string allocation

The hash field is supposed to be 4 bytes even in 64-bit. But the
default parameter of StoreObjectFieldNoWriteBarrier using kTagged
will generate 64-bit store. Fix by Replacing kTagged with kWord32.

This causes ~200 test failures on big-endian, because hash field
offset in BE is 12 instead of 8 in LE platforms.

R=bmeurer@chromium.org, epertoso@chromium.org, joransiu@ca.ibm.com,
michael_dawson@ca.ibm.com, mbrandy@us.ibm.com, bjaideep@ca.ibm.com
BUG=

Committed: https://crrev.com/fa5e0490554963720338a13afc1001f32815f94c
Cr-Commit-Position: refs/heads/master@{#37256}
==========

[commit-bot: I haz the power, 2016-06-24 18:26:15]

Patchset 1 (id:??) landed as
https://crrev.com/fa5e0490554963720338a13afc1001f32815f94c
Cr-Commit-Position: refs/heads/master@{#37256}

[Benedikt Meurer, 2016-06-24 18:27:16]

Thanks a lot for the fix.