Integrated: 8288497: add support for JavaThread::is_oop_safe()

[Daniel D. Daugherty]

On Wed, 15 Jun 2022 15:44:21 GMT, Daniel D. Daugherty <dcubed at openjdk.org> wrote:

> A fix to add support for JavaThread::is_gc_barrier_detached() which allows
> us to add checks to detect failures like:
> 
>     JDK-8288139 JavaThread touches oop after GC barrier is detached
>     https://bugs.openjdk.org/browse/JDK-8288139
> 
> This fix along with the fix for JDK-8288139 has been tested in Mach5 Tier[1-8].
> There are no related failures in Mach5 Tier[1-7]; Mach5 Tier8 is still running.

This pull request has now been integrated.

Changeset: e26d3b3c
Author:    Daniel D. Daugherty <dcubed at openjdk.org>
URL:       https://git.openjdk.org/jdk19/commit/e26d3b3c01a06f250344d0afdaa9fadd1fdae33b
Stats:     36 lines in 4 files changed: 24 ins; 5 del; 7 mod

8288497: add support for JavaThread::is_oop_safe()

Reviewed-by: pchilanomate, dholmes, rehn, eosterlund

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PR: https://git.openjdk.org/jdk19/pull/20