[lworld] RFR: 8327150: [lworld] Update C1 to support new value construction scheme from JEP 401 [v2]

[Frederic Parain]

> Fix value creation in C1, remove the old special node for value creation and out everything under the NewInstance node.
> There's also a fix in can_be_inline_klass() method that was causing a wrong behavior for acmp.

Frederic Parain has updated the pull request incrementally with one additional commit since the last revision:

  Fixes from Tobias' review

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

Changes:
  - all: https://git.openjdk.org/valhalla/pull/1029/files
  - new: https://git.openjdk.org/valhalla/pull/1029/files/9879e314..9c064501

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=valhalla&pr=1029&range=01
 - incr: https://webrevs.openjdk.org/?repo=valhalla&pr=1029&range=00-01

  Stats: 12 lines in 3 files changed: 1 ins; 10 del; 1 mod
  Patch: https://git.openjdk.org/valhalla/pull/1029.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1029/head:pull/1029

PR: https://git.openjdk.org/valhalla/pull/1029