RFR: 8326196: Serial: Remove SerialHeap::generation_iterate

Mon Feb 19 13:34:21 UTC 2024

Trivial inlining generation iteration logic based on the fact of having a static number of generations.

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Commit messages:
 - trivial

Changes: https://git.openjdk.org/jdk/pull/17916/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17916&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8326196
  Stats: 25 lines in 2 files changed: 0 ins; 23 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/17916.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/17916/head:pull/17916

PR: https://git.openjdk.org/jdk/pull/17916