RFR: 8335637: Add explicit well-behaved expectations to Object.{toString, hashCode} [v3]

[Roger Riggs]

On Mon, 8 Jul 2024 20:32:52 GMT, Joe Darcy <darcy at openjdk.org> wrote:

>> Make well-behaved implementation expectations of Object.{toString, hashCode} explicit.
>
> Joe Darcy has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Respond to review feedback.

Looks good to me.

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PR Review: https://git.openjdk.org/jdk/pull/20063#pullrequestreview-2164737366