RFR(T) 8249586: Test runtime/cds/appcds/DirClasspathTest.java will fail if run twice

[Ioi Lam]

Hi Calvin,

Looks good, and trivial.

Thanks
- Ioi

On 8/4/20 10:06 AM, Calvin Cheung wrote:
> bug: https://bugs.openjdk.java.net/browse/JDK-8249586
>
> webrev: http://cr.openjdk.java.net/~ccheung/jdk16/8249586/webrev.00/
>
> A trivial fix by adding the StandardCopyOption.REPLACE_EXISTING option 
> when calling Files.copy().
>
> Tested by running the jtreg test multiple times in the same directory.
>
> thanks,
>
> Calvin
>