RFR: 8290892: C2: Intrinsify Reference.reachabilityFence [v22]

Fri Nov 7 15:07:28 UTC 2025

On Fri, 7 Nov 2025 15:04:03 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> Another question:
>> What if `!is_redundant_rf` and we found no sfpt candidates? Is it ok to just eliminate the rf here?
>
> I suppose yes, because no GC could have happened since, right?

Could be worth writing that down in a code comment.

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PR Review Comment: https://git.openjdk.org/jdk/pull/25315#discussion_r2504035787