[jdk16u] RFR: 8198540: Dynalink leaks memory when generating type converters

[Attila Szegedi]

8198540: Dynalink leaks memory when generating type converters
Reviewed-by: plevart, hannesw

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Commit messages:
 - 8198540: Dynalink leaks memory when generating type converters

Changes: https://git.openjdk.java.net/jdk16u/pull/26/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk16u&pr=26&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8198540
  Stats: 772 lines in 5 files changed: 538 ins; 220 del; 14 mod
  Patch: https://git.openjdk.java.net/jdk16u/pull/26.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk16u pull/26/head:pull/26

PR: https://git.openjdk.java.net/jdk16u/pull/26