RFR: 8305716: Enhancements for printing age tables

Sat Apr 15 00:36:31 UTC 2023

On Thu, 6 Apr 2023 18:18:54 GMT, William Kemper <wkemper at openjdk.org> wrote:

> In order to reduce the number of changes for the upcoming PR for the generational mode for Shenandoah we are opening separate PRs for the changes in common code. Shenandoah will be using this `AgeTable` class. There are two changes here:
> * `AgeTables` created with global=false will no longer SEGV when printing
> * A method was added to allow the `AgeTable` to print to an existing output stream

LGTM ... 🚢

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

Marked as reviewed by ysr (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/13377#pullrequestreview-1386278302