RFR: 8168049: Fix Performance of Lexer.isJSWhitespace

[Attila Szegedi]

Nice, +1.

> On 11 Nov 2016, at 12:44, Sundararajan Athijegannathan <sundararajan.athijegannathan at oracle.com> wrote:
> 
> +1
> 
> 
> On 11/11/2016 4:55 PM, Hannes Wallnöfer wrote:
>> Please review:
>> 
>> Bug: https://bugs.openjdk.java.net/browse/JDK-8168049
>> Webrev: http://cr.openjdk.java.net/~hannesw/8168049/webrev/
>> 
>> This improves parse time by 5 - 10% in most scripts I’ve looked at.
>> 
>> Thanks,
>> Hannes 
>