RFR: 8299853: Serial: Use more concrete type for TenuredGeneration::_the_space

Tue Jan 10 10:59:35 UTC 2023

Simple change of using the actual type for a field.

Test: hotspot_gc

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Commit messages:
 - s1-tenured-space

Changes: https://git.openjdk.org/jdk/pull/11925/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=11925&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8299853
  Stats: 11 lines in 6 files changed: 1 ins; 1 del; 9 mod
  Patch: https://git.openjdk.org/jdk/pull/11925.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11925/head:pull/11925

PR: https://git.openjdk.org/jdk/pull/11925