[jdk17u-dev] RFR: 8283626: AArch64: Set relocInfo::offset_unit to 4 [v2]

[Aleksey Shipilev]

> Clean backport to improve relocation density.
> 
> Additional testing:
>  - [x] Linux AArch64 server fastdebug, `tier{1,2,3,4}`

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-8283626-aarch64-reloc-4bytes
 - Backport ab17f88f6ccd793b718394987f868322a2cc0d1f

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

Changes:
  - all: https://git.openjdk.org/jdk17u-dev/pull/2040/files
  - new: https://git.openjdk.org/jdk17u-dev/pull/2040/files/304f0392..a3392c52

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2040&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk17u-dev&pr=2040&range=00-01

  Stats: 10387 lines in 204 files changed: 5997 ins; 2239 del; 2151 mod
  Patch: https://git.openjdk.org/jdk17u-dev/pull/2040.diff
  Fetch: git fetch https://git.openjdk.org/jdk17u-dev.git pull/2040/head:pull/2040

PR: https://git.openjdk.org/jdk17u-dev/pull/2040