RFR 8152271: MemberNameTable doesn't purge stale entries

[serguei.spitsyn at oracle.com]

Hi Coleen,

This looks nice.
Thank you for taking care about it!

Thanks,
Serguei


On 6/10/16 07:55, Coleen Phillimore wrote:
> Summary: Intern MemberNames in table instead of allocating new entries
>
> For degenerate case, we were leaking native code in the member name 
> table.  Going with the suggested workaround, it was only a few more 
> lines of code to intern MemberName and return the MemberName that was 
> already in the table.
>
> This has been performance tested to show no regression and works 
> really well for the degenerate test case, even though the real 
> percentage of reused MemberName seems quite small.
>
> Tested with all runtime nightly tests, tests in 
> jdk/test/java/lang/invoke.
>
> open webrev at http://cr.openjdk.java.net/~coleenp/8152271.01/webrev
> bug link https://bugs.openjdk.java.net/browse/JDK-8152271
>
> Thanks,
> Coleen