[lworld] RFR: 8374882: [lworld] Update hierarchies in oopsHierarchy.hpp [v2]

[Joel Sikström]

> Hello,
> 
> The hierarchies in oopsHierarchy.hpp are not up to date with the actual class hierarchies in the implementation. I've refered to these a couple of times and stumble on the fact that they are not accurate.
> 
> I've tested that this builds locally.

Joel Sikström has updated the pull request incrementally with two additional commits since the last revision:

 - Spelling fix for refArrayOopDesc
 - Make refArrayOopDesc subclass of objArrayOopDesc

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

Changes:
  - all: https://git.openjdk.org/valhalla/pull/1874/files
  - new: https://git.openjdk.org/valhalla/pull/1874/files/94d2e61b..dbad21f1

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=valhalla&pr=1874&range=01
 - incr: https://webrevs.openjdk.org/?repo=valhalla&pr=1874&range=00-01

  Stats: 5 lines in 2 files changed: 0 ins; 0 del; 5 mod
  Patch: https://git.openjdk.org/valhalla/pull/1874.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1874/head:pull/1874

PR: https://git.openjdk.org/valhalla/pull/1874