git: openjdk/jdk17u-dev: 8277072: ObjectStreamClass caches keep ClassLoaders alive

[Roman Kennke]

Changeset: 7d132f5e
Author:    Roman Kennke <rkennke at openjdk.org>
Date:      2022-03-25 10:07:39 +0000
URL:       https://git.openjdk.java.net/jdk17u-dev/commit/7d132f5e5e2f8d27db82dd29bfdbc24677733b65

8277072: ObjectStreamClass caches keep ClassLoaders alive

Backport-of: 8eb453baebe377697286f7eb32280ca9f1fd7775

+ src/java.base/share/classes/java/io/ClassCache.java
! src/java.base/share/classes/java/io/ObjectStreamClass.java
+ test/jdk/java/io/ObjectStreamClass/ObjectStreamClassCaching.java
+ test/jdk/java/io/ObjectStreamClass/TestOSCClassLoaderLeak.java