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

[Andrew John Hughes]

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>

> As discussed [here](https://github.com/openjdk/jdk21u-dev/pull/2606) I have learned that the jtreg minimum version increase and the fix for Win8365790Test.java are two separate issues.
> 
> Win8365790Test.java will be fixed in #2606
> 

Thanks. I'll take a look at that one.

> As for the foreign classes in TestNested.java, as you say, they do not appear to be preview classes in JDK25.
> 
> So JDK25 will not need this change in order to pass the test.

Yes, it was moved to a regular feature in 22: https://openjdk.org/jeps/454

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PR Comment: https://git.openjdk.org/jdk21u-dev/pull/2605#issuecomment-3898097220