Revert of [parser] Forbid \08 in strict strings

Revert of [parser] Forbid \08 in strict strings (patchset #3 id:40001 of https://codereview.chromium.org/2950633002/ )

Reason for revert:
Breaks layout test:
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/builds/16403

See:
https://github.com/v8/v8/wiki/Blink-layout-tests

Original issue's description:
> [parser] Forbid \08 in strict strings and in untagged templates
> 
> This was never legal; the spec only allows '\0' in strict-mode strings or templates
> when not followed by a decimal digit. Previously we were only enforcing that it
> not be followed by an _octal_ digit.
> 
> This was already fixed for numeric literals, but not for escape sequences in strings.
> 
> BUG=v8:6504
> 
> Review-Url: https://codereview.chromium.org/2950633002
> Cr-Commit-Position: refs/heads/master@{#46046}
> Committed: https://chromium.googlesource.com/v8/v8/+/b102540e44a72157098014a20399193a461153d2

TBR=vogelheim@chromium.org,bakkot@gmail.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6504
Review-Url: https://codereview.chromium.org/2946953002
Cr-Commit-Position: refs/heads/master@{#46068}
Committed: https://chromium.googlesource.com/v8/v8/+/c3f2c5ef8df7595fcf27bbcc27be32851b74c6af

[Michael Achenbach, 2017-06-20 18:23:44]

The CQ bit was checked by machenbach@chromium.org

[Michael Achenbach, 2017-06-20 18:23:44]

Created Revert of [parser] Forbid \08 in strict strings

[commit-bot: I haz the power, 2017-06-20 18:23:54]

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, 2017-06-20 18:24:01]

CQ is committing da patch.

Bot data: {"patchset_id": 1, "attempt_start_ts": 1497983024015650, "parent_rev":
"41b02eec5fd8ae7bc34f081da2026e72e696bddd", "commit_rev":
"c3f2c5ef8df7595fcf27bbcc27be32851b74c6af"}

[commit-bot: I haz the power, 2017-06-20 18:24:09]

Description was changed from

==========
Revert of [parser] Forbid \08 in strict strings (patchset #3 id:40001 of
https://codereview.chromium.org/2950633002/ )

Reason for revert:
Breaks layout test:
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/bui...

See:
https://github.com/v8/v8/wiki/Blink-layout-tests

Original issue's description:
> [parser] Forbid \08 in strict strings and in untagged templates
> 
> This was never legal; the spec only allows '\0' in strict-mode strings or
templates
> when not followed by a decimal digit. Previously we were only enforcing that
it
> not be followed by an _octal_ digit.
> 
> This was already fixed for numeric literals, but not for escape sequences in
strings.
> 
> BUG=v8:6504
> 
> Review-Url: https://codereview.chromium.org/2950633002
> Cr-Commit-Position: refs/heads/master@{#46046}
> Committed:
https://chromium.googlesource.com/v8/v8/+/b102540e44a72157098014a20399193a461...

TBR=vogelheim@chromium.org,bakkot@gmail.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6504
==========

to

==========
Revert of [parser] Forbid \08 in strict strings (patchset #3 id:40001 of
https://codereview.chromium.org/2950633002/ )

Reason for revert:
Breaks layout test:
https://build.chromium.org/p/client.v8.fyi/builders/V8-Blink%20Linux%2064/bui...

See:
https://github.com/v8/v8/wiki/Blink-layout-tests

Original issue's description:
> [parser] Forbid \08 in strict strings and in untagged templates
> 
> This was never legal; the spec only allows '\0' in strict-mode strings or
templates
> when not followed by a decimal digit. Previously we were only enforcing that
it
> not be followed by an _octal_ digit.
> 
> This was already fixed for numeric literals, but not for escape sequences in
strings.
> 
> BUG=v8:6504
> 
> Review-Url: https://codereview.chromium.org/2950633002
> Cr-Commit-Position: refs/heads/master@{#46046}
> Committed:
https://chromium.googlesource.com/v8/v8/+/b102540e44a72157098014a20399193a461...

TBR=vogelheim@chromium.org,bakkot@gmail.com
# Skipping CQ checks because original CL landed less than 1 days ago.
NOPRESUBMIT=true
NOTREECHECKS=true
NOTRY=true
BUG=v8:6504

Review-Url: https://codereview.chromium.org/2946953002
Cr-Commit-Position: refs/heads/master@{#46068}
Committed:
https://chromium.googlesource.com/v8/v8/+/c3f2c5ef8df7595fcf27bbcc27be32851b7...
==========

[commit-bot: I haz the power, 2017-06-20 18:24:10]

Committed patchset #1 (id:1) as
https://chromium.googlesource.com/v8/v8/+/c3f2c5ef8df7595fcf27bbcc27be32851b7...