RFR: 8281114: G1: Remove PreservedMarks::init_forwarded_mark

Wed Feb 2 11:30:20 UTC 2022

Simple change of inlining `PreservedMarks::init_forwarded_mark` and removing it. This decouples G1 self-forwarded obj handling from preserved marks.

Test: build

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Commit messages:
 - remove-init_forwarded_mark

Changes: https://git.openjdk.java.net/jdk/pull/7321/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=7321&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8281114
  Stats: 11 lines in 3 files changed: 1 ins; 6 del; 4 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7321.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7321/head:pull/7321

PR: https://git.openjdk.java.net/jdk/pull/7321