[jdk25u] RFR: 8351487: [ubsan] jvmti.h runtime error: load of value which is not a valid value

[Matthias Baesken]

8351487: [ubsan] jvmti.h runtime error: load of value which is not a valid value

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Commit messages:
 - Backport bf3cfbeff414356aaf2b0933568ff648beace2c5

Changes: https://git.openjdk.org/jdk25u/pull/39/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk25u&pr=39&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8351487
  Stats: 8 lines in 2 files changed: 6 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/jdk25u/pull/39.diff
  Fetch: git fetch https://git.openjdk.org/jdk25u.git pull/39/head:pull/39

PR: https://git.openjdk.org/jdk25u/pull/39