On Fri, 14 Nov 2025 23:03:22 GMT, Chen Liang <[email protected]> wrote:

>> Currently, fake parameters are created with "arg0" etc. strings that are 
>> retained for class file methods with no MethodParameters attribute. The 
>> original issue report observes many of these strings present in the heap. To 
>> address this issue, we can remove these eagerly created fake names, bringing 
>> their behavior in line with nameless parameters from MethodParameters 
>> attribute, such as those from inner class constructors. A unit test verifies 
>> that no name is retained in the Parameter object when the name is fake.
>> 
>> The original report recommends using a pool to store the arg name strings. I 
>> did not take that approach as I don't think it is very necessary; if the 
>> issue of retained fake names persist, we can update `Parameter::getName` to 
>> return fake names from a pool instead.
>
> Chen Liang 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 two additional commits since 
> the last revision:
> 
>  - Merge branch 'master' of https://github.com/openjdk/jdk into 
> fix/fake-param-name
>  - 8357728: Optimize Executable#synthesizeAllParams

Looks good.

-------------

Marked as reviewed by jvernee (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/25961#pullrequestreview-3473381755

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