Integrated: 8323159: Consider adding some text re. memory zeroing in Arena::allocate

[Per Minborg]

On Mon, 8 Jan 2024 16:16:50 GMT, Per Minborg <pminborg at openjdk.org> wrote:

> This PR proposes to add a clarification that an `Arena` always returns zeroed-out segments for `Arena::allocate` methods.
> 
> Note that other overloaded methods refer to the abstract `Arena::allocate` method via implementation notes.

This pull request has now been integrated.

Changeset: f5b757ce
Author:    Per Minborg <pminborg at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/f5b757ced6b672010ea10575d644d3f9d1728923
Stats:     51 lines in 2 files changed: 49 ins; 0 del; 2 mod

8323159: Consider adding some text re. memory zeroing in Arena::allocate

Reviewed-by: mcimadamore, jvernee

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PR: https://git.openjdk.org/jdk/pull/17308