[jdk23u] RFR: 8333277: ubsan: mlib_ImageScanPoly.c:292:43: runtime error: division by zero

[Matthias Baesken]

8333277: ubsan: mlib_ImageScanPoly.c:292:43: runtime error: division by zero

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Commit messages:
 - Backport 57b6481449612529615484a313d8b85ccf23e287

Changes: https://git.openjdk.org/jdk23u/pull/37/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk23u&pr=37&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8333277
  Stats: 7 lines in 1 file changed: 4 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk23u/pull/37.diff
  Fetch: git fetch https://git.openjdk.org/jdk23u.git pull/37/head:pull/37

PR: https://git.openjdk.org/jdk23u/pull/37