[jdk23u] RFR: 8333088: ubsan: shenandoahAdaptiveHeuristics.cpp:245:44: runtime error: division by zero

[Matthias Baesken]

8333088: ubsan: shenandoahAdaptiveHeuristics.cpp:245:44: runtime error: division by zero

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Commit messages:
 - Backport 34eea6a5fa27121bc0e9e8ace0894833d4a9f826

Changes: https://git.openjdk.org/jdk23u/pull/76/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk23u&pr=76&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8333088
  Stats: 1 line in 1 file changed: 0 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk23u/pull/76.diff
  Fetch: git fetch https://git.openjdk.org/jdk23u.git pull/76/head:pull/76

PR: https://git.openjdk.org/jdk23u/pull/76