Integrated: 8278065: Refactor subclassAudits to use ClassValue

[Roman Kennke]

On Wed, 1 Dec 2021 14:45:23 GMT, Roman Kennke <rkennke at openjdk.org> wrote:

> As a follow-up to #6375, this change refactors java.io.ObjectInputStream.Caches#subclassAudits and java.io.ObjectOutputStream.Caches#subclassAudits to use ClassValue instead of SoftReference, similar to what we did in #6375 for java.io.ObjectStreamClass.Caches#localDescs. Then we can now also remove the common machinery java.io.ObjectStreamClass#processQueue and java.io.ObjectStreamClass.WeakClassKey.
> 
> Testing:
>  - [x] tier1
>  - [x] tier2
>  - [ ] tier3

This pull request has now been integrated.

Changeset: 8fed8ab2
Author:    Roman Kennke <rkennke at openjdk.org>
URL:       https://git.openjdk.java.net/jdk/commit/8fed8ab29cae4f189f44609c23f116967eef6bdf
Stats:     105 lines in 3 files changed: 2 ins; 89 del; 14 mod

8278065: Refactor subclassAudits to use ClassValue

Reviewed-by: rriggs, plevart

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PR: https://git.openjdk.java.net/jdk/pull/6637