[Interpreter] Add support for strict mode global stores.

[Interpreter] Add support for strict mode global stores.

Adds the bytecode StaGlobalStrict and replaces StaGlobal with StaGlobalSloppy.

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

Committed: https://crrev.com/4414a14d717ff0a462f1605c82b3f8d0b422fb85
Cr-Commit-Position: refs/heads/master@{#31339}

[rmcilroy, 2015-10-16 11:26:00]

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

[rmcilroy, 2015-10-16 11:26:00]

PTAL, thanks.

[rmcilroy, 2015-10-16 11:26:27]

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

[commit-bot: I haz the power, 2015-10-16 11:26:30]

Dry run: CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1406183002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1406183002/1

[commit-bot: I haz the power, 2015-10-16 12:57:23]

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

[commit-bot: I haz the power, 2015-10-16 12:57:23]

Dry run: This issue passed the CQ dry run.

[oth, 2015-10-16 13:17:47]

lgtm. Thanks!

[rmcilroy, 2015-10-16 13:51:47]

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

[rmcilroy, 2015-10-16 13:52:10]

TBRing Benedikt for minor compiler/bytecode-graph-builder.cc change due to new
bytecode.

[rmcilroy, 2015-10-16 13:52:14]

The CQ bit was checked by rmcilroy@chromium.org

[commit-bot: I haz the power, 2015-10-16 13:52:22]

CQ is trying da patch. Follow status at
 https://chromium-cq-status.appspot.com/patch-status/1406183002/1
View timeline at
 https://chromium-cq-status.appspot.com/patch-timeline/1406183002/1

[Benedikt Meurer, 2015-10-16 13:53:35]

LGTM

[commit-bot: I haz the power, 2015-10-16 13:57:52]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2015-10-16 13:58:24]

Patchset 1 (id:??) landed as
https://crrev.com/4414a14d717ff0a462f1605c82b3f8d0b422fb85
Cr-Commit-Position: refs/heads/master@{#31339}