[jdk22] RFR: 8322321: Add man page doc for -XX:+VerifySharedSpaces

[Ioi Lam]

On Thu, 21 Dec 2023 01:42:57 GMT, Calvin Cheung <ccheung at openjdk.org> wrote:

>> Clean backport.
>
> Marked as reviewed by ccheung (Reviewer).

Thanks @calvinccheung

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PR Comment: https://git.openjdk.org/jdk22/pull/24#issuecomment-1865385844