RFR: 8298281: Serial: Refactor MarkAndPushClosure

Wed Dec 7 15:29:15 UTC 2022

Simple change of removing some redundant code in oop-iteration.

Test: hotspot_gc

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Commit messages:
 - s1-claim-oop-iterate-closure

Changes: https://git.openjdk.org/jdk/pull/11562/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=11562&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8298281
  Stats: 26 lines in 3 files changed: 0 ins; 20 del; 6 mod
  Patch: https://git.openjdk.org/jdk/pull/11562.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/11562/head:pull/11562

PR: https://git.openjdk.org/jdk/pull/11562