RFR: 8221478: Disable VerifySharedSpaces by default

[David Holmes]

Hi Claes,

This looks fine to me.

Thanks,
David

On 2/05/2019 11:55 pm, Claes Redestad wrote:
> Hi,
> 
> VerifySharedSpaces is currently enabled heuristically when running the
> JVM with -XX:SharedArchiveFile= - which reduces the startup benefits
> of AppCDS for no substantial benefit (no added security; often redundant
> integrity checking).
> 
> Proposed fix is to leave the flag disabled in all configurations.
> 
> Bug:    https://bugs.openjdk.java.net/browse/JDK-8221837
> Webrev: http://cr.openjdk.java.net/~redestad/8221478/open.00/
> 
> CSR has been filed.
> 
> Testing: tier1-4 ongoing
> 
> Thanks!
> 
> /Claes