RFR: 8248655: Support supplementary characters in String case insensitive operations

[Brent Christian]

Hi, Naoto

The latest changes look good to me.

-Brent

On 7/22/20 10:23 AM, naoto.sato at oracle.com wrote:
> Hi,
> 
> I revised the fix again, based on further suggestions:
> 
> https://cr.openjdk.java.net/~naoto/8248655.8248434/webrev.05/
> 
> Changes from v.04 are (all in StringUTF16.java):
> 
> - The short cut now does case insensitive comparison that makes the fix 
> closer to the previous implementation (for BMP characters).
> - Changed the bit operation to negating for detecting needed index 
> increment.
> - Method name is changed to better reflect what it is doing, with more 
> descriptive comments.
>