[Interpreter] Add support for RegExp literals.

[Interpreter] Add support for RegExp literals.

Adds support for creating RegExp literals and adds some tests. Adds the
CreateRegExpLiteral bytecode.

BUG=v8:4280
LOG=N
TBR=bmeurer@chromium.org

Committed: https://crrev.com/a1e9a6d77fcd3dec7245fef9aba45341eff0d26d
Cr-Commit-Position: refs/heads/master@{#31345}

[rmcilroy, 2015-10-16 14:08:09]

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

[commit-bot: I haz the power, 2015-10-16 14:08:15]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1410853002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1410853002/1

[rmcilroy, 2015-10-16 14:08:35]

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

[rmcilroy, 2015-10-16 14:08:36]

Orion, PTAL, thanks.

[commit-bot: I haz the power, 2015-10-16 15:06:06]

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

[commit-bot: I haz the power, 2015-10-16 15:06:06]

Dry run: This issue passed the CQ dry run.

[oth, 2015-10-16 16:09:07]

lgtm. awesome!

[rmcilroy, 2015-10-16 16:11:54]

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

[rmcilroy, 2015-10-16 16:12:52]

TBR Benedikt for compiler/bytecode-graph-builder.cc bytecode addition.

[rmcilroy, 2015-10-16 16:12:55]

The CQ bit was checked by rmcilroy@chromium.org

[commit-bot: I haz the power, 2015-10-16 16:13:02]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1410853002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1410853002/1

[commit-bot: I haz the power, 2015-10-16 16:14:28]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-16 16:14:58]

Patchset 1 (id:??) landed as
https://crrev.com/a1e9a6d77fcd3dec7245fef9aba45341eff0d26d
Cr-Commit-Position: refs/heads/master@{#31345}