[jdk21u] RFR: 8318981: compiler/compilercontrol/TestConflictInlineCommands.java fails intermittent with 'disallowed by CompileCommand' missing from stdout/stderr

[Matthias Baesken]

Backport 8318981

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Commit messages:
 - Backport 88b9cdae8fa67e5f9cec7a7dc5e2e2adecf1a519

Changes: https://git.openjdk.org/jdk21u/pull/373/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=373&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8318981
  Stats: 1 line in 1 file changed: 1 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u/pull/373.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/373/head:pull/373

PR: https://git.openjdk.org/jdk21u/pull/373