RFR: 8267189: Remove duplicated unregistered classes from dynamic archive [v2]

[Ioi Lam]

On Thu, 17 Jun 2021 21:14:04 GMT, Yumin Qi <minqi at openjdk.org> wrote:

>> Ioi Lam has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   comments from @calvinccheung and @yminqi
>
> LGTM.

Thanks @yminqi and @calvinccheung for the review.

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PR: https://git.openjdk.java.net/jdk/pull/4515