Clean up RegExp comments and test262 status

Clean up RegExp comments and test262 status

This patch fixes a bunch of out-of-date TODOs, un-skips some tests
and refers to appropriate bug numbers and current specification
status where appropriate.

R=adamk

Committed: https://crrev.com/46edbd164dbe3e0e246ef1c281740efcf4371f5d
Cr-Commit-Position: refs/heads/master@{#39260}

[Dan Ehrenberg, 2016-09-07 18:28:01]

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

[commit-bot: I haz the power, 2016-09-07 18:28:07]

Dry run: CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[adamk, 2016-09-07 18:36:34]

lgtm

[Dan Ehrenberg, 2016-09-07 18:42:33]

The CQ bit was unchecked by littledan@chromium.org

[Dan Ehrenberg, 2016-09-07 18:42:34]

The CQ bit was checked by littledan@chromium.org

[commit-bot: I haz the power, 2016-09-07 18:42:36]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-07 19:09:05]

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

[commit-bot: I haz the power, 2016-09-07 19:09:06]

Try jobs failed on following builders:
  v8_linux64_gyp_rel_ng on master.tryserver.v8 (JOB_FAILED,
http://build.chromium.org/p/tryserver.v8/builders/v8_linux64_gyp_rel_ng/build...)

[adamk, 2016-09-07 19:29:26]

The CQ bit was checked by adamk@chromium.org

[commit-bot: I haz the power, 2016-09-07 19:29:36]

CQ is trying da patch. Follow status at
 
https://chromium-cq-status.appspot.com/v2/patch-status/codereview.chromium.or...

[commit-bot: I haz the power, 2016-09-07 19:39:55]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-09-07 19:40:17]

Description was changed from

==========
Clean up RegExp comments and test262 status

This patch fixes a bunch of out-of-date TODOs, un-skips some tests
and refers to appropriate bug numbers and current specification
status where appropriate.

R=adamk
==========

to

==========
Clean up RegExp comments and test262 status

This patch fixes a bunch of out-of-date TODOs, un-skips some tests
and refers to appropriate bug numbers and current specification
status where appropriate.

R=adamk

Committed: https://crrev.com/46edbd164dbe3e0e246ef1c281740efcf4371f5d
Cr-Commit-Position: refs/heads/master@{#39260}
==========

[commit-bot: I haz the power, 2016-09-07 19:40:17]

Patchset 1 (id:??) landed as
https://crrev.com/46edbd164dbe3e0e246ef1c281740efcf4371f5d
Cr-Commit-Position: refs/heads/master@{#39260}