[jdk21u-dev] RFR: 8336911: ZGC: Division by zero in heuristics after JDK-8332717

[Matthias Baesken]

8336911: ZGC: Division by zero in heuristics after JDK-8332717

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Commit messages:
 - Backport 1cc32237aee03a38bfb0f6679f7328a682ad6ea9

Changes: https://git.openjdk.org/jdk21u-dev/pull/1149/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=1149&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8336911
  Stats: 13 lines in 1 file changed: 13 ins; 0 del; 0 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/1149.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/1149/head:pull/1149

PR: https://git.openjdk.org/jdk21u-dev/pull/1149