[jdk22u] RFR: 8323210: Update the usage of cmsFLAGS_COPY_ALPHA

Sat Jan 13 19:34:29 UTC 2024

Hi all,

This pull request contains a backport of commit [aba19334](https://github.com/openjdk/jdk/commit/aba19334eaeb46d37169cddeef929b13e050a60e) from the [openjdk/jdk](https://git.openjdk.org/jdk) repository.

The commit being backported was authored by Sergey Bylokhov on 9 Jan 2024 and was reviewed by Phil Race.

Thanks!

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Commit messages:
 - Backport aba19334eaeb46d37169cddeef929b13e050a60e

Changes: https://git.openjdk.org/jdk22u/pull/23/files
 Webrev: https://webrevs.openjdk.org/?repo=jdk22u&pr=23&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8323210
  Stats: 8 lines in 2 files changed: 5 ins; 0 del; 3 mod
  Patch: https://git.openjdk.org/jdk22u/pull/23.diff
  Fetch: git fetch https://git.openjdk.org/jdk22u.git pull/23/head:pull/23

PR: https://git.openjdk.org/jdk22u/pull/23