RFR: JDK-8309297: Adjust ShenandoahHeap print_heap_regions_on [v2]

[Matthias Baesken]

On Tue, 6 Jun 2023 08:30:09 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

>> The ShenandoahHeap print_heap_regions_on method prints some brief description of the columns of the heap table, however the description is unsorted and seems to be not fully up to date.
>> 
>> Another thought - is the critical pins column (CP=critical pins)  still needed or always 0  and obsolete now?
>
> Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:
> 
>   remove comment line

Hi  Kelvin, Y. S. Ramakrishna and Martin, thanks for the reviews.

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PR Comment: https://git.openjdk.org/jdk/pull/14264#issuecomment-1578700487