* Fix regexp benchmark regression where we were doing work to...

* Fix regexp benchmark regression where we were doing work to
make standard regexps like \s and . case independent.
* Make use of the fact that the subject string is ASCII only
when making character classes case independent.
* Avoid spending time making large ideogram or punctuation
ranges case independent when there is no case mapping anyway.

Committed: http://code.google.com/p/v8/source/detail?r=3243

[Christian Plesner Hansen, 2009-11-09 09:56:52]

Lgtm.

http://codereview.chromium.org/378024/diff/1/5
File src/jsregexp.cc (right):

http://codereview.chromium.org/378024/diff/1/5#newcode2441
Line 2441: // None of the standard regexps is different in the case independent
case
s/regexps is/character classes are/