RFR: 8304811: vmTestbase/vm/mlvm/indy/func/jvmti/stepBreakPopReturn/INDIFY_Test.java fails with JVMTI_ERROR_TYPE_MISMATCH

[David Holmes]

On Wed, 1 Oct 2025 22:29:28 GMT, Alex Menkov <amenkov at openjdk.org> wrote:

> The change fixes the test which intermittently fails.
> 
> The test requests MethodEntry. SingleStep and Breakpoint events globally (from all threads).
> MethodEntry handler checks location (to be expected test method);
> Breakpoint request specifies location in the testes method, only test threads calls the method;
> SingleStep handler has no checks for thread or location. So once SingleStep event is enabled, event from other thread can be posted first (or several events from different threads).
> The fix enables SingleStep event only for test thread (we get it in MethodEntry)
> 
> testing: tier3

I agree this seems reasonable. Though I still wonder why this suddenly started appearing only on linux-aarch64.

Thanks for the quick fix.

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Marked as reviewed by dholmes (Reviewer).

PR Review: https://git.openjdk.org/jdk/pull/27598#pullrequestreview-3291723877