[jdk18u] RFR: 8256368: Avoid repeated upcalls into Java to re-resolve MH/VH linkers/invokers

[Tobias Hartmann]

Backport of [JDK-8256368](https://bugs.openjdk.java.net/browse/JDK-8256368). Applies cleanly. Approval is pending.

Thanks,
Tobias

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Commit messages:
 - 8256368: Avoid repeated upcalls into Java to re-resolve MH/VH linkers/invokers

Changes: https://git.openjdk.java.net/jdk18u/pull/82/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk18u&pr=82&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8256368
  Stats: 47 lines in 5 files changed: 22 ins; 12 del; 13 mod
  Patch: https://git.openjdk.java.net/jdk18u/pull/82.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk18u pull/82/head:pull/82

PR: https://git.openjdk.java.net/jdk18u/pull/82