On Wed, 4 Feb 2026 21:08:00 GMT, Rémi Forax <[email protected]> wrote:
>> jengebr has updated the pull request with a new target base due to a merge
>> or a rebase. The incremental webrev excludes the unrelated changes brought
>> in by the merge/rebase. The pull request contains five additional commits
>> since the last revision:
>>
>> - Merge branch 'openjdk:master' into putMapEntriesOptimizations
>> - Unit test revisions
>> - Bug fix & unit test
>> - fixing whitespace
>> - Optimizing HashMap.putAll() and .<init> for HashMap and C$UM
>
> src/java.base/share/classes/java/util/HashMap.java line 516:
>
>> 514: */
>> 515: final void putMapEntries(Map<? extends K, ? extends V> m, boolean
>> evict) {
>> 516: if (m.getClass() == Collections.UnmodifiableMap.class) {
>
> I would address that issue in a separate bug.
What issue? This is an integral part of the performance optimization.
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PR Review Comment: https://git.openjdk.org/jdk/pull/28243#discussion_r2793389419
