RFR: 8319316: Clarify text around which layouts a linker supports [v3]

[Per Minborg]

On Fri, 3 Nov 2023 18:16:17 GMT, Jorn Vernee <jvernee at openjdk.org> wrote:

>> - Add linker note about packed structs.
>> - Relax language a bit to avoid implying that only listed layouts are supported.
>
> Jorn Vernee has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add 'strict'
>   
>   Co-authored-by: Maurizio Cimadamore <54672762+mcimadamore at users.noreply.github.com>

Can we reformat the new improved text so it will fit in col <= 90?

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PR Comment: https://git.openjdk.org/jdk/pull/16485#issuecomment-1794487546