[foreign-abi] RFR: 8253360: LibraryLookup javadoc should be clearer about how to create restricted segments [v2]

[Paul Sandoz]

On Fri, 18 Sep 2020 16:50:59 GMT, Maurizio Cimadamore <mcimadamore at openjdk.org> wrote:

>> This patch adds a better description of how clients are supposed to derive segments from a lookup symbol, by stating
>> the need of keeping the symbol alive via segment attachment.
>> I also fixed a missing type parameter javadoc in the VaList API.
>
> Maurizio Cimadamore has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Repeat javadoc guidance on LibraryLookup.Symbol::address()

Marked as reviewed by psandoz (Committer).

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PR: https://git.openjdk.java.net/panama-foreign/pull/345