[jdk21u] RFR: 8317818: Combinatorial explosion during 'this' escape analysis

[Archie Cobbs]

8317818: Combinatorial explosion during 'this' escape analysis

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Commit messages:
 - Backport 17535c34bc7853f8e73dfdec2c4da49d78b37bea

Changes: https://git.openjdk.org/jdk21u/pull/266/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=266&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8317818
  Stats: 32 lines in 2 files changed: 30 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk21u/pull/266.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/266/head:pull/266

PR: https://git.openjdk.org/jdk21u/pull/266