RFR: 8375544: JfrSet::clear should not use memset

[Kim Barrett]

On Wed, 21 Jan 2026 10:33:04 GMT, Markus Grönlund <mgronlun at openjdk.org> wrote:

>> Please review this change to JfrSet::clear to no longer use memset to clear
>> the table data.  Instead use value-initialization, similarly to what is done
>> in the set initialization from JDK-8374445.
>> 
>> Testing: mach5 tier1-3
>
> Marked as reviewed by mgronlun (Reviewer).

Thanks for reviewing @mgronlun

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PR Comment: https://git.openjdk.org/jdk/pull/29327#issuecomment-3778552162