[8u] RFR 8264816: Weak handles leak causes GC to take longer

[Denghui Dong]

Hi,

Could I have a review of this small fix that solve the weak handles leak problem that exists in MembernameTable.

JBS: https://bugs.openjdk.java.net/browse/JDK-8264816
webrev: http://cr.openjdk.java.net/~ddong/8264816/webrev.00

Testing: Linux x86_64 jdk/test/java/lang/invoke
Other information: https://mail.openjdk.java.net/pipermail/jdk8u-dev/2021-April/013618.html

Thanks,
Denghui