RFR: 8290892: C2: Intrinsify Reference.reachabilityFence [v19]

[Vladimir Ivanov]

On Thu, 30 Oct 2025 15:04:56 GMT, Emanuel Peter <epeter at openjdk.org> wrote:

>> src/hotspot/share/opto/escape.cpp line 1230:
>> 
>>> 1228:     SafePointNode* sfpt = safepoints.at(spi)->as_SafePoint();
>>> 1229: 
>>> 1230:     sfpt->remove_non_debug_edges(non_debug_edges_worklist);
>> 
>> This looks a bit "hacky". Can you add some code comments why we need to do it this way?
>
> Same for the other occurances ;)

Done.

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PR Review Comment: https://git.openjdk.org/jdk/pull/25315#discussion_r2488076378