RFR: 8325635: Serial: Use concrete type for verify_used_region_at_save_marks

[Albert Mingkun Yang]

Trivial signature update.

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Commit messages:
 - s1-tenured-space

Changes: https://git.openjdk.org/jdk/pull/17807/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17807&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8325635
  Stats: 3 lines in 2 files changed: 0 ins; 1 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/17807.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17807/head:pull/17807

PR: https://git.openjdk.org/jdk/pull/17807