Using RegisterConfiguration in test-multiple-return.

Using RegisterConfiguration in test-multiple-return.

Not all register codes are safe for use on all architectures.
Using RegisterConfiguration when picking a calling convention
in test-multiple-return.

BUG=None
TEST=test-multiple-return
R=titzer@chromium.org
LOG=N

Committed: https://crrev.com/5bbccc3ea3a2a11adba063fdd1254b73be0ad54f
Cr-Commit-Position: refs/heads/master@{#31188}

[titzer, 2015-10-08 22:53:35]

lgtm

[bradn, 2015-10-08 22:54:13]

The CQ bit was checked by bradnelson@google.com

[commit-bot: I haz the power, 2015-10-08 22:54:37]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1401453002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1401453002/1

[commit-bot: I haz the power, 2015-10-08 23:12:53]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-08 23:13:10]

Patchset 1 (id:??) landed as
https://crrev.com/5bbccc3ea3a2a11adba063fdd1254b73be0ad54f
Cr-Commit-Position: refs/heads/master@{#31188}

[MTBrandyberry, 2015-10-09 16:01:02]

On 2015/10/08 22:50:02, bradn wrote:

Thanks!