[jdk21u-dev] RFR: 8332777: Update JCStress test suite

[Goetz Lindenmaier]

I backport this for parity with 21.0.6-oracle.

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Commit messages:
 - Backport 11e926cf50c64d57b0dba095eb62c2be4a8a8f1e

Changes: https://git.openjdk.org/jdk21u-dev/pull/994/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=994&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8332777
  Stats: 19 lines in 1 file changed: 2 ins; 6 del; 11 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/994.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/994/head:pull/994

PR: https://git.openjdk.org/jdk21u-dev/pull/994