VectorICs: New interface descriptor for vector transitioning stores.

VectorICs: New interface descriptor for vector transitioning stores.

BUG=

Committed: https://crrev.com/cd35155918f8f1a081a208721a878deba00a252b
Cr-Commit-Position: refs/heads/master@{#30284}

[mvstanton, 2015-08-20 09:21:48]

mvstanton@chromium.org changed reviewers:
+ bmeurer@chromium.org

[mvstanton, 2015-08-20 09:21:48]

Hi Benedikt, here is the CL we discussed that allows vector store ICs to
successfully carry out transitioning stores.

Some platforms (ahem, ia32) need to use stack for stub arguments, and this CL
allows that to work.

Thanks for the look,
--Michael

[Benedikt Meurer, 2015-08-21 05:27:31]

LGTM, nice!

[mvstanton, 2015-08-21 09:03:08]

The CQ bit was checked by mvstanton@chromium.org

[commit-bot: I haz the power, 2015-08-21 09:03:19]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1292173003/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1292173003/1

[commit-bot: I haz the power, 2015-08-21 09:04:48]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-08-21 09:05:04]

Patchset 1 (id:??) landed as
https://crrev.com/cd35155918f8f1a081a208721a878deba00a252b
Cr-Commit-Position: refs/heads/master@{#30284}