git: openjdk/jdk16u: 8198540: Dynalink leaks memory when generating type converters

[Attila Szegedi]

Changeset: b6db9a50
Author:    Attila Szegedi <attila at openjdk.org>
Date:      2021-02-13 14:16:25 +0000
URL:       https://git.openjdk.java.net/jdk16u/commit/b6db9a50

8198540: Dynalink leaks memory when generating type converters

Backport-of: 8f4c15f6417e471b372f74460fa94b9d84c4811d

+ src/jdk.dynalink/share/classes/jdk/dynalink/BiClassValue.java
- src/jdk.dynalink/share/classes/jdk/dynalink/ClassMap.java
! src/jdk.dynalink/share/classes/jdk/dynalink/TypeConverterFactory.java
+ test/jdk/jdk/dynalink/TypeConverterFactoryMemoryLeakTest.java
+ test/jdk/jdk/dynalink/TypeConverterFactoryRetentionTests.java