On Thu, 15 Jan 2026 06:59:26 GMT, SendaoYan <[email protected]> wrote:

> Hi all,
> 
> The local variable `dummy` is uninitialzed in function `static void JNICALL 
> agentProc(jvmtiEnv* jvmti, JNIEnv* jni, void* arg)` at file 
> test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/multienv/MA04/ma04t002/ma04t002[a].cpp.
>  This PR initial the local variable `dummy` explicitly to avoid compiler 
> warning by clang23.
> 
> Change has been verified locally by run the test entry 
> test/hotspot/jtreg/vmTestbase/nsk/jvmti/scenarios/multienv/MA04/ma04t002/TestDescription.java.
>  Test-fix only, no risk.

This `dummy` variable actually not needed, the tests should just pass `nullptr` 
as user_data.
But suggested solution is ok

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

Marked as reviewed by amenkov (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/29247#pullrequestreview-3667373694

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