[Interpreter] Add support for Throw.

[Interpreter] Add support for Throw.

Adds support for throwing exceptions. Adds the bytecode Throw.

BUG=v8:4280
LOG=N

Committed: https://crrev.com/4d62978d634f178b9c24be19e1be8a36fc40df0a
Cr-Commit-Position: refs/heads/master@{#31366}

[rmcilroy, 2015-10-16 16:54:35]

The CQ bit was checked by rmcilroy@chromium.org to run a CQ dry run

[commit-bot: I haz the power, 2015-10-16 16:54:39]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1410863002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1410863002/1

[rmcilroy, 2015-10-16 16:54:54]

rmcilroy@chromium.org changed reviewers:
+ bmeurer@chromium.org, oth@chromium.org

[rmcilroy, 2015-10-16 16:54:55]

Benedikt / Orion, PTAL, thanks.

[commit-bot: I haz the power, 2015-10-16 17:18:38]

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

[commit-bot: I haz the power, 2015-10-16 17:18:39]

Dry run: This issue passed the CQ dry run.

[Benedikt Meurer, 2015-10-18 11:28:39]

LGTM from my side (haven't checked the tests).

[oth, 2015-10-19 08:59:51]

lgtm, thanks.

[rmcilroy, 2015-10-19 09:34:47]

The CQ bit was checked by rmcilroy@chromium.org

[commit-bot: I haz the power, 2015-10-19 09:34:58]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1410863002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1410863002/1

[commit-bot: I haz the power, 2015-10-19 10:59:04]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-19 10:59:19]

Patchset 1 (id:??) landed as
https://crrev.com/4d62978d634f178b9c24be19e1be8a36fc40df0a
Cr-Commit-Position: refs/heads/master@{#31366}