[jdk26u] RFR: 8375311: Some builds are missing debug helpers

[Matthias Baesken]

8375311: Some builds are missing debug helpers

-------------

Commit messages:
 - Backport b7346c307fc1aba01c10fc6dc745e5e520b1d7b9

Changes: https://git.openjdk.org/jdk26u/pull/25/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk26u&pr=25&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8375311
  Stats: 6 lines in 1 file changed: 2 ins; 1 del; 3 mod
  Patch: https://git.openjdk.org/jdk26u/pull/25.diff
  Fetch: git fetch https://git.openjdk.org/jdk26u.git pull/25/head:pull/25

PR: https://git.openjdk.org/jdk26u/pull/25