[9] RFR 8177969: Faster FilePermission::implies by avoiding the use of Path::relativize

[Roger Riggs]

Hi Max,

The code looks ok.

How much faster does it make FilePermission compares?

I assume if it is not accepted to be fixed in JDK 9, you will push it to 
JDK 10.

Roger


On 4/3/2017 11:30 AM, Weijun Wang wrote:
> http://cr.openjdk.java.net/~weijun/8177969/webrev.00/
>
> This new implementation of containsPath(Path,Path) uses the logic of 
> Path::relativize without directly calling it, which is much faster now.
>
> Thanks
> Max