RFR: 8292375: Convert ProtectionDomainCacheTable to ResourceHashtable [v3]

[Coleen Phillimore]

On Wed, 31 Aug 2022 05:13:17 GMT, David Holmes <dholmes at openjdk.org> wrote:

>> This one (not the one I removed), is called by dictionary.cpp - the pd_set is a linked list of ProtectionDomainEntry, where we don't keep the WeakHandle alive when looking at the value.
>
> I don't understand your point. My point is that the comment no longer seems correct.

The first sentence of the comment is correct.  I don't know what the second sentence means, so I'll remove it.

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PR: https://git.openjdk.org/jdk/pull/10043