Integrated: 8253778: ShenandoahSafepoint::is_at_shenandoah_safepoint should not access VMThread state from other threads

[Aleksey Shipilev]

On Wed, 30 Sep 2020 07:22:03 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> There are lots of Shenandoah-related test failures in current runs, triggered by new assert in JDK-8212107. The assert
> looks legitimate, and Shenandoah code should instead be more relaxed here, by checking it runs in VMThread before
> accessing its state.  Testing:
>   - [x] hotspot_gc_shenandoah

This pull request has now been integrated.

Changeset: 8331e63f
Author:    Aleksey Shipilev <shade at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/8331e63f
Stats:     8 lines in 1 file changed: 7 ins; 0 del; 1 mod

8253778: ShenandoahSafepoint::is_at_shenandoah_safepoint should not access VMThread state from other threads

Reviewed-by: jiefu, rehn, rkennke

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PR: https://git.openjdk.java.net/jdk/pull/424