Integrated: 8356648: runtime/Thread/AsyncExceptionTest.java fails with +StressCompiledExceptionHandlers

[Dean Long]

On Thu, 22 May 2025 00:13:21 GMT, Dean Long <dlong at openjdk.org> wrote:

> The test fails (or times out) because Runtime1::counter_overflow offers a safepoint, allowing async exceptions, but there is no exception handler for the out-of-line slow path call to Runtime1::counter_overflow.  Rather than add an exception handler, the simple fix is to replace JRT_BLOCK with JRT_BLOCK_NO_ASYNC so that counter_overflow doesn't need to deal with async exceptions.  The GC poll point for backwards branches is sufficient to allow async exceptions.
> I also improved the test so that it fails more quickly rather than waiting forever and eventually timing out, and added a C1-specific run using -XX:+StressCompiledExceptionHandlers.

This pull request has now been integrated.

Changeset: 648c337b
Author:    Dean Long <dlong at openjdk.org>
URL:       https://git.openjdk.org/jdk/commit/648c337bea5ec65908cab02eaf232243ccf2d4bf
Stats:     37 lines in 2 files changed: 10 ins; 11 del; 16 mod

8356648: runtime/Thread/AsyncExceptionTest.java fails with +StressCompiledExceptionHandlers

Reviewed-by: thartmann, kvn

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PR: https://git.openjdk.org/jdk/pull/25375