[lworld] RFR: 8355560: SetTag/GetTag should consider equal value objects as the same object [v2]

[Alex Menkov]

> Fixes SetTag/GetTag JVMTI functions so they consider equal value object as a single object.

Alex Menkov has updated the pull request incrementally with one additional commit since the last revision:

  feedback

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

Changes:
  - all: https://git.openjdk.org/valhalla/pull/1444/files
  - new: https://git.openjdk.org/valhalla/pull/1444/files/2dbe102d..3f6f5cd6

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=valhalla&pr=1444&range=01
 - incr: https://webrevs.openjdk.org/?repo=valhalla&pr=1444&range=00-01

  Stats: 42 lines in 4 files changed: 1 ins; 14 del; 27 mod
  Patch: https://git.openjdk.org/valhalla/pull/1444.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1444/head:pull/1444

PR: https://git.openjdk.org/valhalla/pull/1444