RFR: 8341913: Support CDS heap dumping for Shenandoah and Epsilon [v2]

[Aleksey Shipilev]

On Tue, 22 Oct 2024 00:49:54 GMT, Ioi Lam <iklam at openjdk.org> wrote:

>> Aleksey Shipilev has updated the pull request incrementally with one additional commit since the last revision:
>> 
>>   Wrap test with Shenandoah check
>
> test/hotspot/jtreg/runtime/cds/appcds/sharedStrings/IncompatibleOptions.java line 114:
> 
>> 112:         testDump(2, "-XX:+UseParallelGC", "", "", false);
>> 113:         testDump(3, "-XX:+UseSerialGC", "", "", false);
>> 114:         testDump(4, "-XX:+UseShenandoahGC", "", "", false);
> 
> Should this be inside ` if (GC.Shenandoah.isSupported())` ?

Right, it should! Added.

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PR Review Comment: https://git.openjdk.org/jdk/pull/21457#discussion_r1810107845