RFR: 8334742: Change java.time month/day field types to 'byte' [v2]

[Roger Riggs]

On Wed, 30 Apr 2025 20:38:59 GMT, Gautham Krishnan <duke at openjdk.org> wrote:

>> In the following classes, month and day values are stored in fields of type 'int' or 'short'. The range of allowed values is small enough that the type can be 'byte' instead.
>> 
>> java.time.YearMonth
>> java.time.MonthDay
>> java.time.LocalDate
>> java.time.chono.HijrahDate
>> 
>> Refactoring the type will give the JVM a little more layout flexibility, and will be especially useful when these classes become value classes.
>
> Gautham Krishnan has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Updating copyright header

Its recommended to set the assignee of a issue before starting working and to mark it in progress.
@gauthamkrishnanibm Please make the necessary changes to the issue to let people know you are working on it.

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PR Comment: https://git.openjdk.org/jdk/pull/24975#issuecomment-2843294271