[jdk21u-dev] RFR: 8339238: Update to use jtreg 7.5.1 [v2]

[Goetz Lindenmaier]

On Tue, 10 Feb 2026 11:05:44 GMT, Adam Farley <afarley at openjdk.org> wrote:

>> Hi all,
>> 
>> This pull request contains a backport of commit [9042aa82](https://github.com/openjdk/jdk25u-dev/commit/9042aa82a890b0f0348ac8127dbd3268f2620346) from the [openjdk/jdk25u-dev](https://github.com/openjdk/jdk25u-dev) repository.
>> 
>> The commit being backported was authored by Christian Stein on 19 Feb 2025 and was reviewed by Erik Joelsson, Jaikiran Pai, Roger Riggs and Iris Clark.
>> 
>> Thanks!
>
> Adam Farley has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Compile NativeTestHelper with enable-preview
>   
>   Because otherwise it will not compile while using jtreg 7.5.1
>   as TestNested's enable-preview is not inherited.
>   
>   Signed-off-by: Adam Farley <adfarley at ibm.com>

Yes, please /integrate.
I assured it works with out CI.

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/2605#issuecomment-3912973259