RFR: 8361950: Update to use jtreg 8 [v5]

[Alan Bateman]

On Wed, 17 Sep 2025 06:43:20 GMT, Christian Stein <cstein at openjdk.org> wrote:

>> make/autoconf/lib-tests.m4 line 31:
>> 
>>> 29: 
>>> 30: # Minimum supported versions
>>> 31: JTREG_MINIMUM_VERSION=8
>> 
>> Is the min version 8 or 8.2? (everywhere else in the PR suggests 8+2 so just curious).
>
> It's 8. The +2 refers to the build number, which is required in other places.

Thanks for clarifying.

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PR Review Comment: https://git.openjdk.org/jdk/pull/26261#discussion_r2354488946