[jdk21u-dev] RFR: 8180450: secondary_super_cache does not scale well

[Andrew Haley]

8180450: secondary_super_cache does not scale well

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Commit messages:
 - Merge from https://github.com/openjdk/jdk21u-dev
 - 8180450 jdk21u backport
 - 8337958-Out-of-bounds-array-access-in-secondary_supe.patch
 - Benchmark
 - First cut

Changes: https://git.openjdk.org/jdk21u-dev/pull/1090/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1090&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8180450
  Stats: 1758 lines in 36 files changed: 1709 ins; 20 del; 29 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1090.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1090/head:pull/1090

PR: https://git.openjdk.org/jdk21u-dev/pull/1090