RFR: 8364927: Add @requires annotation to TestReclaimStringsLeaksMemory.java [v3]

[Albert Mingkun Yang]

On Wed, 3 Sep 2025 13:35:40 GMT, jonghoonpark <duke at openjdk.org> wrote:

>> This change updates `TestReclaimStringsLeaksMemory.java` to properly guard against unsupported GC arguments.
>> Previously, the test only checked `@requires vm.gc == "null"`.
>> 
>> The fix separates the tests and adds explicit `@requires` clauses for each GC configuration to ensure the test only runs when supported.
>> 
>> This prevents test failures on VMs that do not support the specified GC.
>> 
>> (This is my first contribution to the JDK. Thank you for your review and guidance.)
>
> jonghoonpark has updated the pull request incrementally with one additional commit since the last revision:
> 
>   remove non-specific GC test item and include ZGC and Shenandoah
>   
>   Signed-off-by: jonghoonpark <dev at jonghoonpark.com>

Marked as reviewed by ayang (Reviewer).

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PR Review: https://git.openjdk.org/jdk/pull/26766#pullrequestreview-3181474447