RFR: 8303467: Serial: Refactor reference processor [v2]

Fri Mar 3 16:05:38 UTC 2023

> Simple refactoring and removing some unnecessary afterwards.
> 
> Test: tier1-5

Albert Mingkun Yang has updated the pull request incrementally with one additional commit since the last revision:

  review

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Changes:
  - all: https://git.openjdk.org/jdk/pull/12809/files
  - new: https://git.openjdk.org/jdk/pull/12809/files/1b3d127f..8d9d0f62

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=12809&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=12809&range=00-01

  Stats: 9 lines in 2 files changed: 3 ins; 2 del; 4 mod
  Patch: https://git.openjdk.org/jdk/pull/12809.diff
  Fetch: git fetch https://git.openjdk.org/jdk pull/12809/head:pull/12809

PR: https://git.openjdk.org/jdk/pull/12809