RFR: 8364352: Some tests fail when using a limited number of pregenerated .jsa CDS archives [v2]

[David Holmes]

On Fri, 29 Aug 2025 08:53:58 GMT, Matthias Baesken <mbaesken at openjdk.org> wrote:

>> Currently the default JVM comes on most platforms with 4 jsa files (for coops and nocoops; with and without compressed object headers), but for some shipments the number of jsa could be reduced (see also Images.gmk) .
>> But not all tests can deal with this.
>> Namely
>> 
>> test/hotspot/jtreg/runtime/CompressedOops/CompressedCPUSpecificClassSpaceReservation.java
>> test/hotspot/jtreg/runtime/cds/TestDefaultArchiveLoading.java
>> test/hotspot/jtreg/runtime/cds/appcds/loaderConstraints/DynamicLoaderConstraintsTest.java (custom-cl-zgc)
>> 
>> were found to have issues.
>> There is already a requires  `vm.cds.default.archive.available`   that is used in similar tests and can be used in some of those cases too.
>
> Matthias Baesken has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Add vm.cds.nocoops.archive.available

Testing passed.

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/26820#pullrequestreview-3172273130