[lworld] RFR: 8320437: [lworld] Adding internal null-restricted storage API points [v3]

[Frederic Parain]

> Adding internal null-restricted storage API points

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

  Field inheritance check should be limited to instance fields

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Changes:
  - all: https://git.openjdk.org/valhalla/pull/947/files
  - new: https://git.openjdk.org/valhalla/pull/947/files/bb704830..539d53ef

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=valhalla&pr=947&range=02
 - incr: https://webrevs.openjdk.org/?repo=valhalla&pr=947&range=01-02

  Stats: 6 lines in 1 file changed: 2 ins; 0 del; 4 mod
  Patch: https://git.openjdk.org/valhalla/pull/947.diff
  Fetch: git fetch https://git.openjdk.org/valhalla.git pull/947/head:pull/947

PR: https://git.openjdk.org/valhalla/pull/947