RFR: 8335637: Add explicit non-null return value expectations to Object.toString() [v4]

[Stuart Marks]

On Wed, 10 Jul 2024 05:02:36 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:
> 
>   Narrow scope of the change.

Marked as reviewed by smarks (Reviewer).

Narrowed scope to non-null toString return looks good.

-------------

PR Review: https://git.openjdk.org/jdk/pull/20063#pullrequestreview-2169697515
PR Comment: https://git.openjdk.org/jdk/pull/20063#issuecomment-2220970513