RFR: 8367719: Refactor JNI code that uses class_to_verify_considering_redefinition() [v2]

[Ioi Lam]

On Tue, 16 Sep 2025 15:57:48 GMT, Coleen Phillimore <coleenp at openjdk.org> wrote:

>> Ioi Lam 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 three additional commits since the last revision:
>> 
>>  - @coleenp and @dholmes-ora comments -- simplify implementation; fixed code formatting
>>  - Merge branch 'master' into 8367719-refactor-jni-code-that-uses-class_to_verify_considering_redefinition
>>  - 8367719: Refactor JNI code that uses class_to_verify_considering_redefinition()
>
> src/hotspot/share/prims/jvm.cpp line 2291:
> 
>> 2289: 
>> 2290: JVM_ENTRY(const char*, JVM_GetClassNameUTF(JNIEnv *env, jclass cls))
>> 2291:   Klass* k = get_klass_considering_redefinition(cls, thread);
> 
> Even if it's a redefined class, it'll have the same name so this isn't necessary.

I usually don't want to make semantic changes in a clean-up PR, but this one seems pretty safe so I changed it anyway.

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PR Review Comment: https://git.openjdk.org/jdk/pull/27303#discussion_r2361635458