[jdk21u] RFR: 8316178: Better diagnostic header for CodeBlobs

[Aleksey Shipilev]

Clean backport to improve JVM diagnostics.

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Commit messages:
 - Backport d575968b4bde74bd557cb84e89f0fa0f96b04087

Changes: https://git.openjdk.org/jdk21u/pull/183/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk21u&pr=183&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8316178
  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk21u/pull/183.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u.git pull/183/head:pull/183

PR: https://git.openjdk.org/jdk21u/pull/183