RFR: 8367626: Parallel: Remove ParallelCompactData::summarize_dense_prefix

[Albert Mingkun Yang]

On Thu, 18 Sep 2025 17:10:05 GMT, Francesco Andreuzzi <fandreuzzi at openjdk.org> wrote:

>> Remove the unnecessary summary operation on dense-prefix, because the summary operation is only needed for compaction, but dense-prefix doesn't participate in compaction.
>> 
>> Test: tier1-5
>
> src/hotspot/share/gc/parallel/psParallelCompact.cpp line 1516:
> 
>> 1514: 
>> 1515: #ifdef ASSERT
>> 1516: void PSParallelCompact::verify_forward() {
> 
> Could this method become `const` now?

It's a `static` method; `const` is only for non-static ones.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27286#discussion_r2360380852