[lworld] RFR: 8368497: [lworld] redo: New lint category `initialization` for code that would not be allowed in the prologue [v3]

[Vicente Romero]

> redoing JDK-8367698 as the original fix had to be delta applied due to some test failures

Vicente Romero has updated the pull request incrementally with one additional commit since the last revision:

  improving comment

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

Changes:
  - all: https://git.openjdk.org/valhalla/pull/1650/files
  - new: https://git.openjdk.org/valhalla/pull/1650/files/4af18367..bc40ec8b

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=valhalla&pr=1650&range=02
 - incr: https://webrevs.openjdk.org/?repo=valhalla&pr=1650&range=01-02

  Stats: 2 lines in 1 file changed: 0 ins; 0 del; 2 mod
  Patch: https://git.openjdk.org/valhalla/pull/1650.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/1650/head:pull/1650

PR: https://git.openjdk.org/valhalla/pull/1650