[jdk17u-dev] RFR: 8308300: enhance exceptions in MappedMemoryUtils.c

[Matthias Baesken]

8308300: enhance exceptions in MappedMemoryUtils.c

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Commit messages:
 - Backport 69f508a2ac344eb61cef7be985348873b8265171

Changes: https://git.openjdk.org/jdk17u-dev/pull/1422/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=1422&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8308300
  Stats: 18 lines in 3 files changed: 13 ins; 0 del; 5 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/1422.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/1422/head:pull/1422

PR: https://git.openjdk.org/jdk17u-dev/pull/1422