[regexp] Fix case-insensitive matching for one-byte subjects.

[regexp] Fix case-insensitive matching for one-byte subjects.

The bug occurs because we do not canonicalize character class ranges
before adding case equivalents. While adding case equivalents, we abort
early for one-byte subject strings, assuming that the ranges are sorted.
Which they are not.

R=marja@chromium.org
BUG=v8:5199
Committed: https://crrev.com/a51f429772d1e796744244128c9feeab4c26a854
Cr-Commit-Position: refs/heads/master@{#37833}

[marja, 2016-07-18 10:32:55]

lgtm

[Yang, 2016-07-18 10:36:42]

The CQ bit was checked by yangguo@chromium.org

[commit-bot: I haz the power, 2016-07-18 10:36:51]

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, 2016-07-18 12:03:11]

Committed patchset #1 (id:1)

[commit-bot: I haz the power, 2016-07-18 12:03:13]

CQ bit was unchecked.

[commit-bot: I haz the power, 2016-07-18 12:03:43]

Description was changed from

==========
[regexp] Fix case-insensitive matching for one-byte subjects.

The bug occurs because we do not canonicalize character class ranges
before adding case equivalents. While adding case equivalents, we abort
early for one-byte subject strings, assuming that the ranges are sorted.
Which they are not.

R=marja@chromium.org
BUG=v8:5199
==========

to

==========
[regexp] Fix case-insensitive matching for one-byte subjects.

The bug occurs because we do not canonicalize character class ranges
before adding case equivalents. While adding case equivalents, we abort
early for one-byte subject strings, assuming that the ranges are sorted.
Which they are not.

R=marja@chromium.org
BUG=v8:5199

Committed: https://crrev.com/a51f429772d1e796744244128c9feeab4c26a854
Cr-Commit-Position: refs/heads/master@{#37833}
==========

[commit-bot: I haz the power, 2016-07-18 12:03:43]

Patchset 1 (id:??) landed as
https://crrev.com/a51f429772d1e796744244128c9feeab4c26a854
Cr-Commit-Position: refs/heads/master@{#37833}