RFR: 8307567: Avoid relocating global roots to metaspaceObjs in CDS dump [v5]

[Ioi Lam]

On Mon, 15 May 2023 06:24:03 GMT, Calvin Cheung <ccheung at openjdk.org> wrote:

>> Ioi Lam has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   removed obsolete comment
>
> Thanks for making `SharedClassPathEntry` a regular `MetaspaceObj`. It looks a lot cleaner now.

Thanks @calvinccheung and @matias9927 for the review.
Passed tiers 1-4 and builds-tier5

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PR Comment: https://git.openjdk.org/jdk/pull/13854#issuecomment-1548841427