RFR: 8349835: C2: simplify IGV property printing [v6]

[Christian Hagedorn]

On Mon, 17 Nov 2025 10:27:05 GMT, Saranya Natarajan <snatarajan at openjdk.org> wrote:

>> The code that prints node properties and live range properties is very verbose and repetitive and could be simplified by applying a refactoring suggested [here](https://github.com/openjdk/jdk/pull/23558#discussion_r1950785708).
>> 
>> ### Fix 
>> Implemented the suggested refactoring. 
>> 
>> ### Testing 
>> Github Actions, Tier 1-3
>
> Saranya Natarajan has updated the pull request with a new target base due to a merge or a rebase. The pull request now contains nine commits:
> 
>  - Merge branch 'master' into JDK-8349835
>  - testing and review on moving code to cpp
>  - Merge branch 'master' into JDK-8349835
>  - addressing review comments#2
>  - fixing test failure
>  - addressing review comments
>  - changing int to bool in a struct
>  - fix to failing test
>  - initial fix

Thanks for the updates! Apart from Roberto's suggestions, it looks good!

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Marked as reviewed by chagedorn (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/26902#pullrequestreview-3487497803