RFR 8152271: MemberNameTable doesn't purge stale entries

[Coleen Phillimore]

On 6/10/16 4:09 PM, serguei.spitsyn at oracle.com wrote:
> Hi Coleen,
>
> This looks nice.
> Thank you for taking care about it!

Thanks, Serguei!
Coleen

>
> 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
>