[jdk21u-dev] RFR: 8336042: Caller/callee param size mismatch in deoptimization causes crash

[Paul Hohensee]

Caller/callee param size mismatch in deoptimization causes crash

Co-authored-by: Richard Reingruber <rrich at openjdk.org>
Reviewed-by: pchilanomate, rrich, vlivanov, never

Backport for parity with Oracle 21.0.8.

Passes tier2 and the new test. Low risk, clean backport, adds asserts and a minor refactoring to isolate the fix.

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Commit messages:
 - 8336042: Caller/callee param size mismatch in deoptimization causes crash

Changes: https://git.openjdk.org/jdk21u-dev/pull/1573/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1573&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8336042
  Stats: 161 lines in 11 files changed: 147 ins; 3 del; 11 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1573.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1573/head:pull/1573

PR: https://git.openjdk.org/jdk21u-dev/pull/1573