[jdk21u-dev] RFR: 8311588: C2: RepeatCompilation compiler directive does not choose stress seed randomly

[Goetz Lindenmaier]

I backport to improve testing possibilities of 21.

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Commit messages:
 - Backport 06a1a15d014f5ca48f62f5f0c8e8682086c4ae0b

Changes: https://git.openjdk.org/jdk21u-dev/pull/103/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=103&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8311588
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/103.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/103/head:pull/103

PR: https://git.openjdk.org/jdk21u-dev/pull/103