[jdk21u-dev] RFR: 8315505: CompileTask timestamp printed can overflow

[Neethu Prasad]

Backport of [JDK-8315505](https://bugs.openjdk.org/browse/JDK-8315505).

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Commit messages:
 - Backport ad7a8e86e0334390f87ae44cf749d2b47f1409a1

Changes: https://git.openjdk.org/jdk21u-dev/pull/827/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=827&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8315505
  Stats: 3 lines in 1 file changed: 0 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/827.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/827/head:pull/827

PR: https://git.openjdk.org/jdk21u-dev/pull/827