[jdk21u-dev] RFR: 8309203: C2: remove copy-by-value of GrowableArray for InterfaceSet [v2]

[Aleksey Shipilev]

> Transplanted from https://github.com/openjdk/jdk21u/pull/423
> 
> Clean backport to amend JDK 21 change, dodge the potential copy-by-value issues, and sync up codebases.
> 
> Maybe @rwestrel would bless it.
> 
> Additional testing:
>  - [x] MacOS AArch64 server fastdebug, `hotspot:tier1`
>  - [x] Linux x86_64 server fastdebug `tier{1,2,3}`
>  - [x] Linux AArch64 server fastdebug `tier{1,2,3}`

Aleksey Shipilev has updated the pull request with a new target base due to a merge or a rebase. The incremental webrev excludes the unrelated changes brought in by the merge/rebase. The pull request contains two additional commits since the last revision:

 - Merge branch 'master' into JDK-8309203-c2-growable-array-copy-by-value
 - Backport 21cda19d05b688148f023f6d92778b5da210b709

-------------

Changes:
  - all: https://git.openjdk.org/jdk21u-dev/pull/11/files
  - new: https://git.openjdk.org/jdk21u-dev/pull/11/files/72e8221c..2e060f9e

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=11&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk21u-dev&pr=11&range=00-01

  Stats: 15160 lines in 418 files changed: 6972 ins; 2579 del; 5609 mod
  Patch: https://git.openjdk.org/jdk21u-dev/pull/11.diff
  Fetch: git fetch https://git.openjdk.org/jdk21u-dev.git pull/11/head:pull/11

PR: https://git.openjdk.org/jdk21u-dev/pull/11