[jdk17u] Integrated: 8269897: Shenandoah: Resolve UNKNOWN access strength, where possible

[Aleksey Shipilev]

On Tue, 24 Aug 2021 09:59:01 GMT, Aleksey Shipilev <shade at openjdk.org> wrote:

> Clean backport to fix a serious Shenandoah bug.
> 
> Additional testing:
>  - [x] `jcstress` now passes
>  - [x] `hotspot_gc_shenandoah` passes
>  - [x] `tier1` with `-XX:+UseShenandoahGC` passes
>  - [x] `tier2` with `-XX:+UseShenandoahGC` passes

This pull request has now been integrated.

Changeset: 37de147b
Author:    Aleksey Shipilev <shade at openjdk.org>
URL:       https://git.openjdk.java.net/jdk17u/commit/37de147bea6f06d2751a80c7a25bd61c522e11e8
Stats:     116 lines in 3 files changed: 49 ins; 33 del; 34 mod

8269897: Shenandoah: Resolve UNKNOWN access strength, where possible

Backport-of: 7ac08161a8b2080ed054bc00a30d6f694ece4df3

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PR: https://git.openjdk.java.net/jdk17u/pull/37