RFR: 8359707: Add classfile modification code to RedefineClassHelper [v4]

[Chen Liang]

On Wed, 25 Jun 2025 18:06:45 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> I copied this code for another test in the Valhalla repo and thought it would be a good utility function.  It might be better written using the Classfile API.
>> Tested with test.
>
> Coleen Phillimore has updated the pull request incrementally with one additional commit since the last revision:
> 
>   Use ClassFile API to replace the class name.

test/lib/RedefineClassHelper.java line 99:

> 97:                     classBuilder.with(ce);
> 98:                 }
> 99:             });

Suggestion:

        byte[] newBytes = ClassFile.of().build(newClassDesc, classModel::forEach);

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PR Review Comment: https://git.openjdk.org/jdk/pull/25857#discussion_r2167585017