RFR(XS) 8076311: Java 9 process negative MaxTenuringThreshold in different way than Java 8

[Jon Masamitsu]

Dmitry,

Change looks good.

Reviewed.

I can sponsor the push.  Send the final patch once you have all
your reviews.

Jon


On 4/3/2015 2:49 AM, Dmitry Dmitriev wrote:
> Hello,
>
> Please review this small fix for JDK-8076311. Also, I need a sponsor 
> for this fix, who can push it, because I'm not have a OpenJDK name.
>
> Fix for JDK-6521376 add explicit processing of MaxTenuringThreshold XX 
> option. When bad value for MaxTenuringThreshold is passed(e.g. 
> negative value for unsigned option "-XX:MaxTenuringThreshold=-1"), 
> then function print warning and continue execution with default 
> value(0). This behavior differs from Java 8. Java 8 process this 
> situation in common way for unsigned options, i.e. print waring and 
> reports a error. So, I fix Java 9 MaxTenuringThreshold option processing.
>
> Also, I add new test case to the 
> test/gc/arguments/TestInitialTenuringThreshold.java to test this 
> situation.
>
> Open webrev: 
> http://cr.openjdk.java.net/~ctornqvi/webrev/8076311/webrev.00/ 
> <http://cr.openjdk.java.net/%7Ectornqvi/webrev/8076311/webrev.00/>
>
> JBS bug: https://bugs.openjdk.java.net/browse/JDK-8076311
>
> Tested: JPRT
>
> Thank you,
> Dmitry